Hioki MEMORY HiCORDER MR8847-01 Instruction Manual
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Hioki MEMORY HiCORDER MR8847-01 Instruction Manual

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Instruction Manual
MR8847-01
MR8847-02
MR8847-03
MEMORY HiCORDER
March 2014 Revised edition 3 MR8847A981-03 14-03H

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Summary of Contents for Hioki MEMORY HiCORDER MR8847-01

  • Page 1 Instruction Manual MR8847-01 MR8847-02 MR8847-03 MEMORY HiCORDER March 2014 Revised edition 3 MR8847A981-03 14-03H...

  • Page 3: Table Of Contents

    Contents Contents Usage Index ................1 Introduction.................2 Confirming Package Contents............2 Safety Information ..............3 Operating Precautions..............6 Chapter 1 Overview ___________________________________ 9 Product Overview ..............9 Names and Functions of Parts ..........10 Screen Organization ............12 Basic Key Operations ............14 1.4.1 Example for Using the HELP Key ...........15 1.4.2 Using a Mouse to Perform Key Operations ......16 Chapter 2...
  • Page 4 Contents Pre-Measurement Inspection ..........42 Setting Measurement Configuration ......... 43 3.4.1 Measurement Function ............43 3.4.2 Time Axis Range and Sampling Rate ........45 3.4.3 Recording Length (number of divisions) ........ 48 3.4.4 Screen Layout ................ 51 Input Channel Setting ............52 3.5.1 Channel Setting Workflow ............
  • Page 5 Contents Chapter 6 Printing ___________________________________ 95 Printing Type and Workflow ..........96 Making Auto Print Settings ..........97 Manual Printing With PRINT key (Selective Printing) ..99 Setting the Print Concentration of the Waveform ....100 Making Printer Settings ...........101 Miscellaneous Printing Functions ........104 6.6.1 Screen Hard Copy ..............104 6.6.2...
  • Page 6 Contents 8.1.3 Alphanumeric Input .............. 127 Displaying Waveforms During Recording (Roll Mode) ... 130 Displaying New Waveforms Over Past Waveforms (Overlay) 131 Setting Channels to Use (Extending the Recording Length) 133 Converting Input Values (Scaling Function) ....134 8.5.1 Scaling Setting Examples ............ 136 Variable Function (Setting the Waveform Display Freely) 140 Fine Adjustment of Input Values (Vernier Function) ..
  • Page 7 Contents Chapter 10 Numerical Calculation Functions _____________ 179 10.1 Numerical Calculation Workflow ........180 10.2 Settings for Numerical Value Calculation ......182 10.2.1 Displaying Numerical Calculation Results ......185 10.3 Judging Calculation Results ..........186 10.3.1 Display of Judgment Results and Signal Output ....188 10.4 Saving Numerical Calculation Results ......189 10.5 Printing Numerical Calculation Results ......190 10.6 Numerical Calculation Type and Description ....191...
  • Page 8 Contents 13.3.9 Analysis Mode Settings ............228 13.3.10Setting the Display Range of the Vertical Axis (Scaling) ..232 13.3.11Setting and Changing Analysis Conditions on the Waveform Screen ..............233 13.4 Selecting Channels ............234 13.5 Setting Screen Displays ..........235 13.5.1 Displaying running spectrums ..........
  • Page 9 Contents 16.3 Accessing the Files on the Instrument From a Computer (Using FTP) ..............294 16.3.1 Making FTP Settings at the Instrument ........295 16.3.2 Using FTP to Connect to the Instrument ......296 16.3.3 Using FTP for File Operations ..........297 16.4 Transferring Data to the PC ..........298 16.5 Wave Viewer (Wv) ............299 16.6 USB Settings and Connection (Before Command Communications) ......300...
  • Page 10 viii Contents 18.6 Input Modules Specifications .......... 331 18.6.1 8966 Analog Unit ..............331 18.6.2 8967 TEMP Unit ..............332 18.6.3 8968 High Resolution Unit ........... 333 18.6.4 8969 Strain Unit ..............334 18.6.5 8970 Freq Unit ..............335 18.6.6 8971 Current Unit ..............336 18.6.7 8972 DC/RMS Unit ..............

  • Page 11: Contents

    Usage Index Usage Index Basic Workflow  p.19) Install & Connect Viewing Input Signals ( p.61) Install the instrument Catching Changes in Input Signals ( p.157) Install the input modules Applying a Manual Trigger ( p.171) Connect the cords Install the recording paper Adding Comments (...

  • Page 12: Introduction

    When you receive the instrument, inspect it carefully to ensure that no damage occurred during shipping. In particular, check the accessories, panel switches, and connectors. If damage is evident, or if it fails to operate according to the specifications, contact your dealer or Hioki representative. Confirm that these contents are provided. (One each) ...

  • Page 13: Safety Information

    Safety Information Safety Information This instrument is designed to comply with IEC 61010 Safety Standards, and has been thoroughly tested for safety prior to shipment. However, mishandling during use could result in injury or death, as well as damage to the instrument. However, using the instrument in a way not described in this manual may negate the provided safety features.
  • Page 14 Safety Information Symbols for Various Standards WEEE marking: This symbol indicates that the electrical and electronic appliance is put on the EU market after August 13, 2005, and producers of the Member States are required to display it on the appliance under Arti- cle 11.2 of Directive 2002/96/EC (WEEE).
  • Page 15 Safety Information Measurement categories To ensure safe operation of measurement instruments, IEC 61010 establishes safety standards for various electrical environments, categorized as CAT II to CAT IV, and called measurement categories. CAT II Primary electrical cir- cuits in equipment connected to an AC electrical outlet by a power cord (porta- ble tools, household...

  • Page 16: Operating Precautions

    Using the instrument in such conditions could cause an electric shock, so contact your dealer or Hioki representative for replacements. Instrument Installation Operating temperature and humidity: -10 to 40°C, 20 to 80%RH (non-condensating) When printing: 0 to 40°C, 20 to 80%RH (non-condensating)
  • Page 17 Never use abrasives or solvent cleaners. • Hioki shall not be held liable for any problems with a PC system that arises from the use of this CD, or for any problem related to the purchase of a Hioki product.
  • Page 18 Operating Precautions...

  • Page 19: Overview

    1.1 Product Overview Chapter 1 Overview 1.1 Product Overview The Memory HiCorder MR8847 is easy to operate and allows quick and efficient measurement and analysis. Major applications include equipment diagnosis, preventive maintenance, and troubleshooting. The product offers the following features. Sturdy finish and convenient carrying handle Easily take the unit anywhere.

  • Page 20: Names And Functions Of Parts

    1.2 Names and Functions of Parts 1.2 Names and Functions of Parts Left Side Front Panel CF Card slot Handle Display (LCD) Printer Operating Keys ( p.11) Right Side USB Connector (Type B) Connect a USB cable here.  p.300) External control terminals An external sampling signal can be USB Connector (Type A)
  • Page 21 1.2 Names and Functions of Parts Operating Keys STATUS DISP Displays the Status screen Displays the Waveform CHAN screen Displays the Channel screen SYSTEM FILE Displays the System screen   Displays the File screen ( p.86) p.277) AB CSR CH.SET ...

  • Page 22: Screen Organization

    1.3 Screen Organization 1.3 Screen Organization The screen configuration is as listed below. The display appears when a key is pressed. On the Waveform screen, the trigger settings window and channel settings window can be brought Waveform Screen This screen serves for observing the waveform. The settings window at the right shows the measurement parameters.
  • Page 23 1.3 Screen Organization Explanation of Screen Contents __________________________________ Waveform screen Title comment Trigger time Media icon Current date and time Shows the specified title Shows the date and time Shows the media status. Shows the date and time as set for ...

  • Page 24: Basic Key Operations

    1.4 Basic Key Operations 1.4 Basic Key Operations Press the CURSOR key and move the cursor to the item on screen which you want to change. Check the GUI illustration and press the function key key) for the setting that you want to change.

  • Page 25: Example For Using The Help Key

    1.4 Basic Key Operations 1.4.1 Example for Using the HELP Key A simple explanation will appear at the cursor position. Help information can also be searched. Cursor Position Help Move the cursor to the item for which you want to display help. Press the HELP key.

  • Page 26: Using A Mouse To Perform Key Operations

    1.4 Basic Key Operations 1.4.2 Using a Mouse to Perform Key Operations You can use a commercially available USB mouse to perform the same operations as with the keys on the MR8847. • There are a variety of mice available, and not all devices will work with the instrument.
  • Page 27 1.4 Basic Key Operations The operation keys of the MR8847 Memory HiCorder and the menu displayed when you right-click the mouse are related as follows: 仮 To operate and carry out settings for CH.SET, WAVE, and AB CSR click the icon in the display shown when the mouse is connected.
  • Page 28 1.4 Basic Key Operations...

  • Page 29: Measurement Preparations

    Measurement Chapter 2 Preparations Work Flow  Install this instrument p.6) Install an input module  p.20) (Adding or replacing an input module) Connect a logic probe to the Standard  p.22) LOGIC terminals (When measuring logic signals) Connect the input cable(s) to the input ...

  • Page 30: Install An Input Module

    2.1 Install an input module 2.1 Install an input module Input modules specified at the time the instrument is ordered are supplied preinstalled. Use the fol- lowing procedures to add or replace input modules, or to remove them from the instrument. Preparations •...
  • Page 31 2.1 Install an input module If not installing another input module after removal Right Side Using the Phillips screwdriver, tighten the two mount- ing screws. Blank panel Measurements made without a blank panel installed may fail to meet specifications because of temperature instability within the instrument.

  • Page 32: Connecting Cords

    2.2 Connecting Cords 2.2 Connecting Cords When measuring analog signals Connect the cables or sensors to the input module. When measuring logic signals Connect the logic probe(s) to the LOGIC terminal(s) on the instrument. When measuring power line voltage • The connection cords should only be connected to the secondary side of a breaker, so the breaker can prevent an accident if a short circuit occurs.
  • Page 33 2.2 Connecting Cords Measuring Voltage Use to connect: Connection cords Applicable Input Modules • 8966 Analog Unit • L9197 Connection Cord • 8968 High Resolution Unit (Maximum input voltage: 600 V) Large alligator clip type • 8972 DC/RMS Unit Connect to the BNC jack on an input mod- •...
  • Page 34 2.2 Connecting Cords Measuring frequency, number of rotations and Count Applicable Input Modules Use to connect: Connection cords • 8970 Freq Unit • L9197 Connection Cord (Maximum input voltage: 600 V) Connect to the BNC jack on an input mod- Large alligator clip type ule.
  • Page 35 2.2 Connecting Cords Measuring Temperature Applicable Input Modules Use to connect: Thermocouple • 8967 TEMP Unit (Compatible wire: AWG 16 to 26, 0.4 to 1.2 mm diameter) Connect to the terminal block on the input module. Connect to terminal block Insert to terminal block 25 mm Required item:...
  • Page 36 Using a Strain Gauge to Measure Vibration or Displacement (Strain) Use to connect: Sensor Applicable Input Modules • 8969 Strain Unit • Strain Gauge Transducer (Not avail- able from Hioki) Connect Model 9769 Conversion Cable to • 9769 Conversion Cable the input module jack. Connecting using a 9769...
  • Page 37 2.2 Connecting Cords Measuring Current Applicable Input Modules Use to connect: Clamps • 8971 Current Unit • Clamp-On Sensor 9272-10 Coneect Model 9318 Conversion Cable to • Universal Clamp-On CTs the input module jack. 9277, 9278, 9279 • AC/DC Current Sensors 9709, CT6862, CT6863 Example: 9272-10+9318...
  • Page 38 2.2 Connecting Cords Measuring Logic Signals Use to connect: Logic Probe Applicable Input Modules • 8973 Logic Unit • 9320 Logic Probe LOGIC terminal • 9320-01 Logic Probe • MR9321 Logic Probe LA to LD are supplied as standard equip- •...
  • Page 39 2.2 Connecting Cords Connect to LOGIC Terminals Example: Connecting the 9327 Logic Probe Right Side Required item: 9327 Logic Probe LOGIC terminals Connect the logic probe by aligning the groves on the plug and a LOGIC termi- nal. Connect to the measurement object. Connect to the measurement object...

  • Page 40: Recording Media Preparation

    CF Card media. • Data can also be saved to a USB flash drive in real time, but from the perspec- tive of data protection, we recommend using Hioki’s optional CF card. Important Use only PC Cards sold by Hioki.
  • Page 41 2.3 Recording Media Preparation Media icons Icons indicating the status of storage media are always shown at the top of the screen. : Media is inserted CF Card Hard disk memory : Media is inserted and selected as save target (Icon col- stick or is red) : Media is not inserted but selected as save target (Icon...

  • Page 42: Formatting Storage Media

    2.3 Recording Media Preparation Depending on the intended use of the USB memory stick, connector types and settings at the instrument will differ, as listed in the table below. MR8847 setting Connec- USB use Reference information Interface USB setting As USB memory stick Type A USB Stick Reference procedure...

  • Page 43: Loading Recording Paper

    2.4 Loading Recording Paper 2.4 Loading Recording Paper The print head and surrounding metal parts can become hot. Be careful to avoid touching these parts. Be careful not to cut yourself with the paper cutter. • Please use only the specified recording paper. Using non-specified paper may not only result in faulty printing, but printing may become impossible.
  • Page 44 2.4 Loading Recording Paper Procedure Required item: MR9231 Recording Paper, Paper roll axle (Supplied with the instrument) Press the Eject button to open the printer cover. Insert the paper roll axle into the paper roll core and mount the recording paper in the holder. Push the paper in until you hear a click.

  • Page 45: Supplying Power

    2.5 Supplying Power Supplying Power 2.5.1 Connecting the Power Cord Connect the power cord to MR8847 and plug it into an AC outlet. • When supplying power from an inverter or uninterruptible power supply (UPS), ensure that the following requirements are met. If the rated power supply voltage or frequency range is exceeded, or if a source with square wave output is used, the instrument may be fatally damaged and an electrical accident may occur.

  • Page 46: Turning The Power On And Off

    2.5 Supplying Power 2.5.3 Turning the Power On and Off This section explains the correct procedure for powering the unit up or down. Before turning the instrument on, make sure the supply voltage matches that indicated on the its power connector. Connection to an improper supply voltage may damage the instrument and present an electrical hazard.

  • Page 47: Setting The Clocks

    The instrument contains a built-in backup lithium battery, which offers a service life of about ten years. If the date and time deviate substantially when the instru- ment is switched on, it is the time to replace that battery. Contact your dealer or Hioki representative.

  • Page 48: Adjusting The Zero Position (Zero-Adjust)

    2.7 Adjusting the Zero Position (Zero-Adjust) 2.7 Adjusting the Zero Position (Zero-Adjust) This procedure compensates for input module differences and sets the reference potential of the instrument to 0 V. The compensation procedure is performed for all channels and ranges. Before starting zero-adjust •...

  • Page 49: Measurement Procedure

    3.1 Ensuring Measurement Safety Measurement Chapter 3 Procedure 3.1 Ensuring Measurement Safety Be sure to observe the following points, to ensure safe measurement. The maximum rated input voltage and maximum rated voltage versus ground values for input modules and connection cables are listed in the table below. In order to prevent the risk of electric shock and damage to the equipment, make sure that these voltages are not exceeded.

  • Page 50: Measurement Workflow

    3.2 Measurement Workflow 3.2 Measurement Workflow Pre-Measurement Inspection See:  "3.3 Pre-Measurement Inspection" ( p.42) Make basic settings for measurement See: Select suitable recording method for  "3.4.1 Measurement Function" ( p.43) measurement target "3.4.2 Time Axis Range and Sampling Rate" Set data acquisition speed ...
  • Page 51 3.2 Measurement Workflow Starting Measurement See:  "3.6 Starting and Stopping Measurement" ( p.59)  "Chapter 5 Saving/Loading Data & Managing Files" ( p.69)  "Chapter 6 Printing" ( p.95)  "7.1 Reading Measurement Values (Using the A/B Cursors)" ( p.108) ...

  • Page 52: Pre-Measurement Inspection

    The following steps should be performed before measurement. Before using the instrument the first time, verify that it operates normally to ensure that the no damage occurred during storage or shipping. If you find any damage, contact your dealer or Hioki representative.

  • Page 53: Setting Measurement Configuration

    3.4 Setting Measurement Configuration 3.4 Setting Measurement Configuration Set measurement conditions as follows. By calling up the Waveform screen and then using the Settings window to make basic settings, you can immediately verify the effect of settings on the waveform. Basic settings can also be made by calling up the Status screen and selecting the [Status] sheet.
  • Page 54 3.4 Setting Measurement Configuration Description Recorder Function Values With the Recorder function, each data sample consists of the maximum and min- imum values acquired in the specified sampling period. So each data sample has its own amplitude breadth. Data of One Sample 1 2 3 4...

  • Page 55: Time Axis Range And Sampling Rate

    3.4 Setting Measurement Configuration 3.4.2 Time Axis Range and Sampling Rate The timebase setting establishes the rate of input signal waveform acquisition, specified as time- per-division on the horizontal axis (time/div). The sampling setting specifies the interval from one sample to the next. (The setting is shown in brackets under the time axis range for the Memory function (see illustration at right).
  • Page 56 3.4 Setting Measurement Configuration Description Selecting the Refer to the table below when setting the time axis range. For example, to measure a 100 kHz waveform, the maximum display frequency set- time axis range ting range according to the table is 200 kHz - 800 kHz. If the maximum display fre- quency is set to 400 kHz, setting the time axis range to 10 s/div is recommended.
  • Page 57 3.4 Setting Measurement Configuration To automatically set the time axis range When you press the AUTO key, a suitable time range for the input sig- nal is selected and measurement starts. (This applies only to the Memory Function.) See: "3.7 Measurement With Automatic Range Setting (Auto-Ranging Func- ...

  • Page 58: Recording Length (Number Of Divisions)

    3.4 Setting Measurement Configuration 3.4.3 Recording Length (number of divisions) Set the length (number of divisions) to record each time data is acquired. Procedure  To open the screen: Press the DISP Waveform screen Memory Function case Move the cursor to the [Shot] item.
  • Page 59 3.4 Setting Measurement Configuration Recorder Function case Move the cursor to the [Shot] item. Select the type. Select Fixd Shot Select from a a range of preset values. User Shot Freely specify any value in 1-division units. Select Set the recording length. (Fixed Shot) Cont.
  • Page 60 3.4 Setting Measurement Configuration Description Recording Length and Data Samples Each division of the recording length consists of 100 data samples. The total number of data samples for a specified recording length = set recording length (divisions) × 100 + 1. Recording Length and Number of Channels The available recording length is subject to limitations depending on the number of channels as selected from Status screen -...

  • Page 61: Screen Layout

    3.4 Setting Measurement Configuration 3.4.4 Screen Layout You can specify the format in which the input signal is shown on the Waveform screen or printed out. Selecting X-Y1 screen or X-Y4 screen allows waveform X-Y synthesis. (This applies to the Memory function and X-Y recorder function.) ...

  • Page 62: Input Channel Setting

    3.5 Input Channel Setting 3.5 Input Channel Setting Set the analog channel and logic channel. Opening the Channel settings window  See: "Displaying All Channels for Making the Variable Function Setting" ( p.141) Pressing [CH.SET] key repeat- edly displays the various sheets. [Analog] [Variable] [Logic]...

  • Page 63: Channel Setting Workflow

    3.5 Input Channel Setting 3.5.1 Channel Setting Workflow Explains the workflow to make settings for the analog channels (Ch1 - Ch16). Select the channels to use (Memory function) only) See:  "8.4 Setting Channels to Use (Extending the Recording Length)" ( p.133) Make input and screen display related settings See:...
  • Page 64 3.5 Input Channel Setting • If the number of channels in use is low, not all channels may be selectable. • When input coupling is set to GND, the waveform will have no amplitude and range setting is not possible. •...

  • Page 65: Analog Channel

    3.5 Input Channel Setting 3.5.2 Analog Channel Set the analog channel. For information on specific settings for 8967 TEMP Unit, 8969 Strain Unit, and 8972 DC/RMS Unit,  see "8.10"( p.146). Procedure    To open the screen: Press the DISP Waveform screen Press the...
  • Page 66 3.5 Input Channel Setting 4. Vertical axis Vertical axis (voltage axis) zoom-up or zoom-down settings can be made sepa- rately for each channel. The settings will be used for display and printout. (Voltage axis) Zooming is carried out using the zero position as reference. The measurement Zoom resolution does not change.
  • Page 67 3.5 Input Channel Setting The zero position is as shown in the illustration below. (Example: 8966 Analog Unit) <Zoom factor ×1> Display screen Display screen Display screen (Zero position: 0%) (Zero position: 50%) (Zero position:100%) A/D Data 2047 100 % 2000 LSB 50 % A/D Data...

  • Page 68: Logic Channel

    3.5 Input Channel Setting 3.5.3 Logic Channel Make settings for the logic channels. The channel settings window (Logic sheet) is shown when the display format is 1, 2, 4, 8 or 16 screens. Procedure    To open the screen: Press the DISP Waveform screen Press the...

  • Page 69: Starting And Stopping Measurement

    3.6 Starting and Stopping Measurement 3.6 Starting and Stopping Measurement This section explains how to initiate and terminate a measurement. Procedure  To open the screen: Press the DISP Waveform screen Starting Measurement Press the START key to start measuring. •...
  • Page 70 3.6 Starting and Stopping Measurement Measurement and Internal Operations Measurement methods are normal measurement (start recording when measurement starts) and trigger measurement (start recording when trigger criteria START are satisfied).In this manual, "Measurement start" means the instant when you press the key, and "Recording start"...

  • Page 71: Measurement With Automatic Range Setting (Auto-Ranging Function)

    3.7 Measurement With Automatic Range Setting (Auto-Ranging Function) 3.7 Measurement With Automatic Range Setting (Auto-Ranging Function) This applies only to the Memory function and analog modules. When you press the AUTO key after inputting a signal to an analog unit, and select [Auto Range], the horizontal axis (time axis) range, vertical axis (voltage...
  • Page 72 3.7 Measurement With Automatic Range Setting (Auto-Ranging Function)

  • Page 73: X-Y Recorder Function

    X-Y Recorder Chapter 4 Function • The X-Y waveform generated from the input signal is displayed in real time. • By saving the displayed data in memory, data can be stored as well as printed. • X-Similar to an X-Y pen recorder, waveform drawing can be controlled by simulated pen up/down operation.

  • Page 74: Measurement Workflow

    4.1 Measurement Workflow 4.1 Measurement Workflow Pre-Measurement Inspection See:  "3.3 Pre-Measurement Inspection" ( p.42) Make basic settings for measurement See: Select X-Y recorder as measurement function  "Function" ( p.65)  Set sampling rate "Sampling" ( p.65) Determine screen layout format ...

  • Page 75: Setting Measurement Configuration

    4.2 Setting Measurement Configuration 4.2 Setting Measurement Configuration To set various measurement parameters, press the STATUS key to bring up the Status screen and select the [Status] sheet. (Settings for measurement function and sampling rate can also be made on the Waveform screen.) Description of setting items ______________________________________ Function Set the measurement function to X-Y recorder.

  • Page 76: Starting And Stopping Measurement

    4.3 Starting and Stopping Measurement 4.3 Starting and Stopping Measurement Press the DISP key to go to the Waveform screen. 1. Starting Measurement Press the START key to start measuring. 2. Pen Up/Down Operation Make this setting either during or before measurement. When the pen is set to Down, the waveform is being drawn.

  • Page 77: Waveform Observation

    4.4 Waveform Observation Redrawing with different waveform display settings • Also after clearing the waveform display, waveform data are still retained by the unit. This makes it possible to change settings for display format, display color, synthesis channels, channel zoom and offset before redrawing the waveform by selecting [Redraw].
  • Page 78 4.4 Waveform Observation...

  • Page 79: Saving/Loading Data & Managing Files

    Saving/Loading Data Chapter 5 & Managing Files Data can be saved and loaded and files can be managed. Before saving data, configure the save settings on the [File Save] sheet. Load data and manage files from the File screen. Opening the [File Save] sheet Pressing this key repeatedly...
  • Page 80 Opening the File screen The file order will be displayed. : Ascending order : Descending order Press this key. The selected file is indicated by a flashing cursor. Use the CURSOR keys to move between folder levels. Use the CURSOR keys to select a file.

  • Page 81: Data Capable Of Being Saved & Loaded

    5.1 Data capable of Being Saved & Loaded 5.1 Data capable of Being Saved & Loaded The following kinds of data can be saved by and loaded into the instrument. Data the Instrument Can Save & Load O: Possible/ -: Not Possible Save File Indica-...
  • Page 82 5.1 Data capable of Being Saved & Loaded Data Not Loadable on the Instrument______________________________ • Data saved on devices other than the MR8847 Memory HiCorder and 8847 Memory HiCorder. • Image files other than waveform evaluation areas ( • file...

  • Page 83: Saving Data

    5.2 Saving Data 5.2 Saving Data 5.2.1 Save Types and Workflow There are basically three types of save operations. To save data automatically To save data manually with the SAVE key ( p.79) during measurement Save data straight away Select data and save (...

  • Page 84: Automatically Saving Waveforms

    5.2 Saving Data 5.2.2 Automatically Saving Waveforms Measurement data are acquired for the recording length and then saved automatically each time. Save location and data type are selected before the measurement. Waveform data can be saved. Procedure  To open the screen: Press the SYSTEM [File Save] sheet...
  • Page 85 The number of data items is reduced to a 1/2. Automatic Saving Data can also be saved to a USB flash drive in real time, but from the perspec- tive of data protection, we recommend using Hioki’s optional CF card.
  • Page 86 5.2 Saving Data Select the channel to save. Move the cursor to the [Save Channel] item. Select Disp Ch Saves the channels of all sheets for which waveform display is set to [On]. (default setting) All Ch Saves all measured channels (in the case of the memory function, channels has been set as [Used Ch] on the Status settings...
  • Page 87 5.2 Saving Data Auto Save Operations (When setting the save destination to the recording media) Example 1: Saving Files to the Topmost Directory of the Storage Media (A folder named "HIOKI8847" is created and file is saved there) 0000AUTO.MEM HIOKI8847 Save To: CF:\HIOKI8847 0001AUTO.MEM...
  • Page 88 The destination folders and files are named in the previ- ously-determined formats as follows: Waveform files Specified WAVE123015.MEM folder 192.168.1.1 14-01-10 WAVE123245.MEM HIOKI 9333 Folder name will be Model WAVE123245.TXT 14-01-11 MR9947 IP address. Folder name will be Folder names will be "YY-...

  • Page 89: Saving Data Selectively (Save Key)

    5.2 Saving Data 5.2.3 Saving Data Selectively (SAVE Key) To use the SAVE key for quick saving, the saving conditions have to be set beforehand. The type of data to be saved are as following. (Settings data, waveform data, display screens, waveform screen, numerical calculation results) Procedure ...
  • Page 90 5.2 Saving Data Set the data to save. Move the cursor to the [Save Type] item. Select Save the settings data. Wave Save waveform data in binary format. Binary Select this to reload the waveform into the instrument. Wave Save waveform data in text format. Text Select this to use the waveform in a PC.
  • Page 91 5.2 Saving Data Making advanced settings Available settings will differ, depending on the save type. Refer to the table below. Save Type Settings Description Setting Wave Division (Off, 16 M, 32 M, 64 M) Binary Select this to divide a large file into several files for saving.

  • Page 92: Loading Data

    5.3 Loading Data 5.3 Loading Data Data saved on media or in the internal memory of the instrument can be reloaded. Data Loading Workflow Before attempting to load data, make sure that the storage media is inserted and the loading target is correctly specified.
  • Page 93 5.3 Loading Data Procedure  FILE To open the screen: Press the File screen (To load a text comment) Press the SYSTEM key and bring up the [Printer] sheet. Move the cursor to the [Text Comment], and select [Before Wave] [After Wave]).
  • Page 94 5.3 Loading Data Loading a waveform evaluation area 　Files with the following two extensions can be loaded: Extension Explanation Loads waveform evaluation areas and settings data (files saved by selecting "Area settings" when saving the data). Loads waveform evaluation areas. (Files saved by selecting "Area image" when saving the data can be edited on a computer and then loaded back into the instrument.)

  • Page 95: Automatically Loading Settings (Auto Setup Function)

    5.4 Automatically Loading Settings (Auto Setup Function) 5.4 Automatically Loading Settings (Auto Setup Function) When settings are saved as described below, they can be loaded automatically at power-up. The Auto setup function is compatible with CF cards only. If the STARTUP file is on the HDD, USB memory stick, or RAM (internal mem- ory), it is not referenced.

  • Page 96: Managing Files

    5.5 Managing Files 5.5 Managing Files Press the key to display the File screen. Data saved to storage media can be managed on the FILE File screen. Use the keys to select a file from the file list. CURSOR Before performing an operation, insert the storage media (except for the optional hard disk).

  • Page 97: Saving

    5.5 Managing Files 5.5.1 Saving You can save settings data or waveform data on storage media. Data will be saved in the folder indi- cated by the cursor. By using the A/B cursor pair, waveform data can be saved partially. Procedure ...
  • Page 98 5.5 Managing Files (When [Wave Binary] is the selected save type) Select whether to save divided files. Move the cursor to the [Division] item. Select Files are not divided when saved. If a file is too large, it can- not be saved. 16M, 32M, 64M Select the size for Divided Save.

  • Page 99: Checking The Contents Of A Folder (Open A Folder)

    5.5 Managing Files 5.5.2 Checking the Contents of a Folder (Open a Folder) See the contents of a selected folder (by opening that folder). Procedure   To open the screen: Press the FILE File screen To change the media: ( p.70) Move the cursor to the folder whose contents you want to see.

  • Page 100: Deleting Files & Folders

    5.5 Managing Files 5.5.4 Deleting Files & Folders Delete a file or folder. Procedure   To open the screen: Press the FILE File screen To change the media: ( p.70) Select the file or folder you want to delete. Select Select [Delete].

  • Page 101: Sorting Files

    5.5 Managing Files 5.5.5 Sorting Files Sort files in the file list into a specified order. Procedure   To open the screen: Press the FILE File screen To change the media: ( p.70) Select [Sort], and select [Type] No sorting. Select Name Sorts files by file name characters.

  • Page 102: Copying A File Into A Specified Folder

    5.5 Managing Files 5.5.7 Copying a File Into a Specified Folder You can copy a file into a specified folder. Procedure   To open the screen: Press the FILE File screen To change the media: ( p.70) Move the cursor to the file you want to copy. Select Select [Copy].

  • Page 103: Printing The File List

    5.5 Managing Files 5.5.8 Printing the File List The file list of the File screen can be printed. Details for all display items in the file list are printed. Only folder names are printed for folders. Information on the contents of folders is not printed. Before printing, make sure the recording paper is loaded correctly.
  • Page 104 5.5 Managing Files...

  • Page 105: Printing

    Chapter 6 Printing [Printer] sheet lets you specify the print method and make other printing related settings. Opening the [Printer] sheet Pressing this key repeatedly displays the various sheets. [Environment] [Init] [File Save] [Printer] [Interface] Operations available from the [Printer] sheet Selecting the print method Making printer settings...

  • Page 106: Printing Type And Workflow

    6.1 Printing Type and Workflow 6.1 Printing Type and Workflow There are basically three types of printing operations. To print data in bulk after To print data automatically To selectively print data measurement by pressing during measurement after measurement PRINT Auto Print Selection Print Quick Print...

  • Page 107: Making Auto Print Settings

    6.2 Making Auto Print Settings Making Auto Print Settings This applies to the Memory function, Recorder function, and FFT function. Make these settings before measurement. Check to be sure that recording paper is loaded correctly. Mea- surement data is printed automatically when you press the START key to start measurement.
  • Page 108 6.2 Making Auto Print Settings Timebase (Time/div) Measurement conditions Printing Up to 200 ms/div Memory Function or Recorder Data are acquired for Function the recording length Recording length: Other than Con- and then printed auto- tinuous (Cont.) matically Recorder Function Printing disabled Recording length: Continuous (Cont.)

  • Page 109: Manual Printing With Print Key (Selective Printing)

    6.3 Manual Printing With PRINT key (Selective Printing) 6.3 Manual Printing With PRINT key (Selective Printing) Using the key from the Waveform screen, you can specify a range and data type for printing. PRINT This is also useful to prevent inadvertent printing due to operation errors. Procedure ...

  • Page 110: Setting The Print Concentration Of The Waveform

    6.4 Setting the Print Concentration of the Waveform 6.4 Setting the Print Concentration of the Waveform The printing concentration of the waveform can be set for each channel. Procedure   To open the screen: Press the CHAN [Unit List] sheet, or [Each Ch] sheet...

  • Page 111: Making Printer Settings

    6.5 Making Printer Settings 6.5 Making Printer Settings Make settings on the [Printer] sheet of the System screen. Printer settings  To open the screen: Press the SYSTEM [Printer] sheet  p.104)  p.105) Select the print speed (quality). Select Move the cursor to the [Print Speed] item.
  • Page 112 6.5 Making Printer Settings Printer settings  To open the screen: Press the SYSTEM [Printer] sheet  p.104)  p.105) Select the horizontal axis (time axis) display Select value. Time* Print the time from trigger event (unit is Move the cursor to the [Time Value] item.
  • Page 113 6.5 Making Printer Settings Set the upper and lower limit value Select Move the cursor to the [Up/Low Print] item. Do not print upper and lower limits. (default setting) <Print Example> Print upper and lower limits. Upper and Lower Limit Set the zero-position comment Select Move the cursor to the...

  • Page 114: Miscellaneous Printing Functions

    6.6 Miscellaneous Printing Functions 6.6 Miscellaneous Printing Functions You can produce a hard copy of the screen display, perform report printing or list printing. 6.6.1 Screen Hard Copy Press key while the screen to print is displayed. The printer will produce a hard copy of the COPY screen contents.

  • Page 115: List Print

    6.6 Miscellaneous Printing Functions 6.6.3 List Print This function prints out function status information and channel setting information in list format. The  See: "Print a list of settings" ( p.102 list settings are the same as for the List function. ( Press the PRINT key at a screen other than the Waveform screen.
  • Page 116 6.6 Miscellaneous Printing Functions...

  • Page 117: Waveform Screen Monitoring And Analysis

    Waveform Screen Monitoring Chapter 7 and Analysis Analytical operations such as display magnification, compression, and search are available on the Waveform screen. Opening the Waveform screen A cursor B cursor Scroll bar    p.108) p.108) p.112) Upper Limit Value ...

  • Page 118: Reading Measurement Values (Using The A/B Cursors)

    7.1 Reading Measurement Values (Using the A/B Cursors) 7.1 Reading Measurement Values (Using the A/ B Cursors) • Time difference, frequency and potential difference (and when scaling is enabled, scaling values) can be read as numerical values using the A/B cursors on the Waveform screen. The cursors also allow specifying the calculation and print X-Y synthesis range.
  • Page 119 7.1 Reading Measurement Values (Using the A/B Cursors) Reading Measurement Values on Waveform Screen (for 1, 2, 4, 8 screens)  To open the screen: Press the DISP Waveform screen <Screen display (time axis cursor)> A Cursor B Cursor Values Between Cursor A Cursor B A/B cursors...
  • Page 120 7.1 Reading Measurement Values (Using the A/B Cursors) Reading Measurement Values on Waveform Screen (for X-Y1, 4 screens)  To open the screen: Press the DISP Waveform screen <Screen display (X axis measurement value)> Cursor A Value X-Y synthesis of channel 1 and channel 2 waveform Channel A Cursor B Cursor...

  • Page 121: Specifying A Waveform Range (A/B Cursor)

    7.2 Specifying a Waveform Range (A/B Cursor) 7.2 Specifying a Waveform Range (A/B Cursor) When the waveform is shown as a time display, the range can be specified with the div cursor or Trace cursor. The specified range will be used for file saving, printing, X-Y synthesis, and numerical calculation. The range selection will be retained also when the waveform display format is changed.

  • Page 122: Moving The Waveform Display Position

    7.3 Moving the Waveform Display Position Moving the Waveform Display Position This applies to the Memory function and Recorder function. 7.3.1 About Display Position From the scroll bar you can verify the relative position and size of the displayed portion of a wave- form within the overall recorded waveform.

  • Page 123: Moving The Position (Jump Function)

    7.3 Moving the Waveform Display Position 7.3.3 Moving the Position (Jump Function) You can specify the portion to be displayed immediately. Display location can be specified as follows: • Trigger point • A/B cursor location • Specified location (from the beginning [0%] to the end [100%]...

  • Page 124: Performing Waveform X-Y Synthesis

    7.4 Performing Waveform X-Y Synthesis Performing Waveform X-Y Synthesis This applies to the Memory function and X-Y recorder function. • To perform waveform X-Y synthesis, go to the Status screen, select the [Status] sheet, and set to X-Y1 screen or X-Y4 screen. By assigning any analog channel to the X axis and Y [Format] axis, up to 8 X-Y combo displays can be generated.
  • Page 125 7.4 Performing Waveform X-Y Synthesis Procedure    To open the screen: Press the DISP Waveform screen Press the CH.SET X-Y settings window Set the waveform color in the graph display. Select Waveform display is off. When a save channel Move the cursor to the for which you want to set the is specified as display channel, Auto Save will not be carried out.

  • Page 126: Magnifying And Compressing Waveforms

    7.5 Magnifying and Compressing Waveforms Magnifying and Compressing Waveforms 7.5.1 Magnifying and Compressing Horizontal Axis (Time Axis) This applies to the Memory function and Recorder function. (However, with the Recorder function, waveform magnification is not available.) Data details can be observed by magnifying the waveform along the horizontal axis (time axis). Also, by compressing the time axis, overall waveform fluctuations can be readily seen.

  • Page 127: Zoom Function (Magnifying A Section Of The Horizontal Axis (Time Axis)

    7.5 Magnifying and Compressing Waveforms Zoom Function (Magnifying a Section 7.5.2 of the Horizontal Axis (Time Axis) This applies to the Memory function only. A magnified section of a waveform can be displayed together with the unmagnified view by splitting the screen horizontally.

  • Page 128: Magnifying And Compressing Vertical Axis (Voltage Axis)

    7.5 Magnifying and Compressing Waveforms To view the entire waveform (Memory function only) Move the cursor to the ratio item in the settings window and select [All Wave]. The waveform information for the entire recording length is displayed. Description About logic waveform display When the Zoom function is enabled, and the logic waveform display position is at less than [50pos], the logic waveform will not be displayed.

  • Page 129: Monitoring Input Levels (Level Monitor)

    7.6 Monitoring Input Levels (Level Monitor) 7.6 Monitoring Input Levels (Level Monitor) All input waveform levels can be monitored in real time. Analog channels and logic channels can be displayed at the same time. Procedure  the Menu To open : Press the DISP Display Menu...

  • Page 130: Switching The Waveform Screen Display (Display Menu)

    7.7 Switching the Waveform Screen Display (Display Menu) 7.7 Switching the Waveform Screen Display (Display Menu) The display menu allows you to bring up additional information such as upper/lower limit value indi- cation and comment display. It also allows you to set the waveform display width. ...

  • Page 131: Switching The Format

    7.8 Seeing Block Waveforms 7.7.4 Switching the Format The screen changes each time you press the [Format] key. 7.8 Seeing Block Waveforms This applies to the Memory function only. If recorded by memory division, the usage status of blocks can be checked. Furthermore, the desired block can be selected and the recorded waveform can be displayed.
  • Page 132 7.8 Seeing Block Waveforms...

  • Page 133: Utility Functions

    Chapter 8 Utility Functions Various utility functions are described in the section. Utility Functions Applicable measurements and settings Adding Comments ( p.124) • Displaying Waveforms During Recording  Setting the channels to use p.130) (Making recording length longer) ( p.133) •...

  • Page 134: Adding Comments

    8.1 Adding Comments 8.1 Adding Comments This section explains how to enter title comments and channel comments. Information about alphanumeric input is also provided. 8.1.1 Adding a Title Comment When you enter a title comment, it can be displayed at the top of the Waveform screen, and it can also be printed.

  • Page 135: Adding A Channel Comment

    8.1 Adding Comments 8.1.2 Adding a Channel Comment Comments added for each channel can be displayed on-screen. Comments can also be printed on recording paper. (Allowed number of characters: up to 40) To copy a comment to another channel [Comment] sheet can be used to copy a comment.
  • Page 136 8.1 Adding Comments Select the print content for each logic Select channel. Comments are not printed. Select [Analog/Logic] to display logic chan- Comment Comments are printed. nel page. Move the cursor to the [Each Ch Print] item. Enter the comment for each logic channel. Select Input Enter comment text.

  • Page 137: Alphanumeric Input

    8.1 Adding Comments 8.1.3 Alphanumeric Input Move the cursor to the setting item for which to make the input, and choose the content with the keys. Entering Text Move the cursor to the comment field and select [Enter Char]. A virtual keyboard appears. Select a character with the CURSOR key from the virtual keyboard, and select...
  • Page 138 8.1 Adding Comments Entering Text From a Term List Or History List While the virtual keyboard is displayed, pressing the WAVE key brings up a "Term List" and pressing the AB CSR key brings up a "History List". This can be used to enter preset terms or reuse text from a previous input session. Move the cursor to the comment field and select [Enter Char].
  • Page 139 8.1 Adding Comments Entering Numerals By Up/Down Action Move the cursor to the numeric input field and select [Up-Down]. A virtual keyboard for digit input appears. Use the virtual keyboard to enter the numerals. (Use to move digit position, and use to increase or decrease the value.) Select...

  • Page 140: Displaying Waveforms During Recording (Roll Mode)

    8.2 Displaying Waveforms During Recording (Roll Mode) 8.2 Displaying Waveforms During Recording (Roll Mode) This applies to the Memory function only. You can display and print the waveform at the same time as the data are acquired (if Auto Print is ...

  • Page 141: Displaying New Waveforms Over Past Waveforms (Overlay)

    8.3 Displaying New Waveforms Over Past Waveforms (Overlay) 8.3 Displaying New Waveforms Over Past Waveforms (Overlay) This applies to the Memory function only. Displayed waveforms are retained on-screen and overlaid with new waveforms. • Use this to compare new waveforms with those recorded immediately before. (When the trigger mode is [Repeat] or [Auto]) (...
  • Page 142 8.3 Displaying New Waveforms Over Past Waveforms (Overlay) Description When the Overlay function is enabled ([Auto] or [Manual]). • The Roll Mode function ( p.130) and Overlay functions ( p.131) cannot both be enabled at the same time. When the Roll Mode is enabled, the Over- lay function is automatically set [Off].

  • Page 143: Setting Channels To Use (Extending The Recording Length)

    8.4 Setting Channels to Use (Extending the Recording Length) 8.4 Setting Channels to Use (Extending the Recording Length) This applies to the Memory function only. Select the analog and logic channels to use. Maximum recording length is available when the fewest necessary channels are enabled for use. Minimizing the number of channels in use allows memory to be reallocated to those channels being used.

  • Page 144: Converting Input Values (Scaling Function)

    8.5 Converting Input Values (Scaling Function) 8.5 Converting Input Values (Scaling Function) About the Scaling Use the scaling function to convert the measured voltage units output from a sensor Function to the physical units of the parameter being measurement. Hereafter, "scaling" refers to the process of numerical value conversion using the Scaling function.
  • Page 145 8.5 Converting Input Values (Scaling Function) Procedure  To open the screen: Press the CHAN [Each Ch] sheet Display selecting [Ratio] [Method] item Display selecting [Point] [Method] item Enable the Scaling function. Select No scaling. Move the cursor to the [Disp] item.

  • Page 146: Scaling Setting Examples

    8.5 Converting Input Values (Scaling Function) To reset Scaling settings: Move the cursor to the [Setting], and select [Reset]. To copy the scaling setting to another channel The Channel screen - [Scaling] sheet can be used to copy a setting. ...
  • Page 147 8.5 Converting Input Values (Scaling Function) However, you may need to switch the vertical axis (voltage axis) range to suit actual input values. For example, to display ±0.2 V at full scale, set the vertical display to 20 mV per division (the instrument's 20 mV/div range) With scaling, signals from the sensor are acquired as current values.
  • Page 148 8.5 Converting Input Values (Scaling Function) When a calibration factor is stated in the sensor's inspection records __ Set the [Method] item on the [Scaling] sheet to [Ratio]. Example 3 Measure using a sensor with a calibration factor of 0.001442 G / 1 x 10 strain , and display the measured data in [G] units.
  • Page 149 8.5 Converting Input Values (Scaling Function) Using the dB value Example 5 Acquiring the conversion rate to convert 40 dB input to 60 dB 1. For scaling, set the [Method] to [Ratio]. 2. Point the cursor to the conversion rate setting. Select [dB Scaling] in the function column.

  • Page 150: Variable Function (Setting The Waveform Display Freely)

    8.6 Variable Function (Setting the Waveform Display Freely) Variable Function (Setting the Waveform Dis- play Freely) The waveform height and display position can be arbitrarily set along the vertical axis (voltage axis) Precautions for using the Variable Function • Verify that the vertical axis (voltage axis) range is set properly for the input sig- nal.
  • Page 151 8.6 Variable Function (Setting the Waveform Display Freely) Make the Valiable Function Setting per channel _____________________ Procedure  To open the screen: Press the CHAN [Each Ch] sheet Enable the Variable function. Move the cursor to the [Variable], and select [On]. Set the display range per division Move the cursor to the [Range(div)], and enter numerical value.
  • Page 152 8.6 Variable Function (Setting the Waveform Display Freely) Description When setting combined use of the Scaling and Variable functions When Auto-Correction of the Variable function is enabled (On, default set- ting) ( p.279) The Variable function settings change according to Scaling and vertical axis (voltage axis) range settings.

  • Page 153: Fine Adjustment Of Input Values (Vernier Function)

    8.7 Fine Adjustment of Input Values (Vernier Function) 8.7 Fine Adjustment of Input Values (Vernier Function) Fine adjustment of input voltage can be performed arbitrarily on the Waveform screen. When recording physical values such as noise, temperature and acceleration using sensors, amplitude can be adjusted to facilitate calibration.

  • Page 154: Inverting The Waveform (Invert Function)

    8.8 Inverting the Waveform (Invert Function) 8.8 Inverting the Waveform (Invert Function) This applies to the analog channels only. You can invert the plus and minus sides of the waveform. Example: With a spring or similar, if pulling it towards the observer is taken as the minus direction and pushing it away from the observer as the plus direction, the output will be minus (negative) for pulling and plus (positive) for pushing.

  • Page 155: Copying Settings To Other Channels (Calculation No.) (Copy Function)

    8.9 Copying settings to other channels (calculation No.) (Copy function) 8.9 Copying settings to other channels (calcula- tion No.) (Copy function) At the following screens, settings can be copied to other channels and calculation No. (When the FFT function is used). •...

  • Page 156: Making Detailed Settings For Input Modules

    8.10 Making Detailed Settings for Input Modules 8.10 Making Detailed Settings for Input Modules Using the [Each Ch] sheet accessed from the Channel screen, you can make detailed settings. Opening the [Each Ch] sheet, Making a Channel Selection Shows the chan- nel number and channel position.

  • Page 157: Making Settings For The Anti-Aliasing Filter (A.a.f.) (8968 High Resolution Unit)

    8.10 Making Detailed Settings for Input Modules 8.10.1 Making Settings for the Anti-Aliasing Filter (A.A.F.) (8968 High Resolution Unit)  See: Opening the [Each Ch] sheet, Making a Channel Selection ( p.146) A.A.F Enable the anti-aliasing filter to remove aliasing distortion. The cutoff frequency automatically changes according to the time axis range or (when the FFT function is used) the frequency range setting.

  • Page 158: Settings For The 8967 Temp Unit

    8.10 Making Detailed Settings for Input Modules 8.10.3 Settings for the 8967 TEMP Unit  See: Opening the [Each Ch] sheet, Making a Channel Selection ( p.146) Mode Set to match the type of thermocouple being used. Select Selections Measurement Range Selections Measurement Range Temp- K...
  • Page 159 8.10 Making Detailed Settings for Input Modules Renew Data The data refresh rate can be set to Fast, Normal, or Slow. (Data Refresh) The default setting is [Normal]. This allows stable measurement while removing noise. For quicker response, select [Fast], but note that this will make the mea- surement more susceptible to noise.

  • Page 160: Settings For The 8969 Strain Unit

    8.10 Making Detailed Settings for Input Modules 8.10.4 Settings for the 8969 Strain Unit The 8969 Strain Unit can perform auto balance. When auto balance is performed, the reference output level of the conversion unit can be matched with the specified zero position. It is applicable only to a 8969 Strain Unit.

  • Page 161: Settings For The 8970 Freq Unit

    8.10 Making Detailed Settings for Input Modules 8.10.5 Settings for the 8970 Freq Unit When the display of standard logic channels (LA, LB, LC, and LD) is on, the 8970 Freq Unit installed on unit 1 or 2 can no longer be used. ...
  • Page 162 8.10 Making Detailed Settings for Input Modules Slope For each measurement mode, set the direction the specified level is exceeded. Select Selections Description  Rises above the specified level are detected. (default setting)  Drops below the specified level are detected. Devide Determines the frequency for each set pulse.
  • Page 163 8.10 Making Detailed Settings for Input Modules Level This is enabled only when [Mode] [Pulse Width] or [Duty]. In pulse width/ duty rate measurements, set which level is detected when the threshold is exceeded. Select Selections Description High Measures above the threshold value. (default setting) Measures below the threshold value.

  • Page 164: Settings For The 8971 Current Unit

    8.10 Making Detailed Settings for Input Modules 8.10.6 Settings for the 8971 Current Unit  See: Opening the [Each Ch] sheet, Making a Channel Selection ( p.146) Mode There is no need to change the setting since it is set when the clamp sensor is automatically recognized.

  • Page 165: Settings For The 8972 Dc/Rms Unit

    8.10 Making Detailed Settings for Input Modules 8.10.7 Settings for the 8972 DC/RMS Unit  See: Opening the [Each Ch] sheet, Making a Channel Selection ( p.146) Mode Switches between voltage measurement and RMS measurement. Select Selections Description Voltage measurement (default setting) RMS measurement Response Response can be set to three speeds: Fast, Normal and Slow.
  • Page 166 8.10 Making Detailed Settings for Input Modules...

  • Page 167: Chapter 9 Trigger Settings

    Chapter 9 Trigger Settings Triggering is the process of controlling the start and stop of recording by specific signals or condi- tions (criteria). When recording is started or stopped by a specific signal, we say the trigger is "applied" or "triggering occurs". Trigger settings are made in the Trigger settings window of the Waveform screen.

  • Page 168: Setting Workflow

    9.1 Setting Workflow 9.1 Setting Workflow The procedure for making trigger settings is as follows.  Trigger Mode Settings Set whether to continue to accept triggers after measuring. ( p.159) Make trigger source-related settings. Trigger Type Settings  • Analog trigger p.160) ...

  • Page 169: Setting The Trigger Mode

    9.2 Setting the Trigger Mode 9.2 Setting the Trigger Mode Set whether to continue to accept triggers after measuring. If all trigger sources are disabled (Off, with no trigger setting), measurement starts immediately (free-running). Procedure key Waveform screen To open the screen: Press the DISP Move the cursor to the [Trigger]...

  • Page 170: Triggering By Analog Signals

    9.3 Triggering by Analog Signals 9.3 Triggering by Analog Signals 9.3.1 Analog Trigger Settings and Types The steps for making settings and selecting the type of analog trigger are described below. The Trigger settings window ([Analog Trg.] sheet) is used. Procedure key Waveform screen Press the key Trigger settings...
  • Page 171 9.3 Triggering by Analog Signals 1. Level Trigger ________________________________________________ A trigger is applied when an input signal crosses the specified trigger level (threshold voltage). Trigger Level Input Waveform   Trigger Slope: In this manual, indicates a "trigger point", as the time at which a trigger is applied.
  • Page 172 9.3 Triggering by Analog Signals Procedure key Waveform screen Press the key Trigger settings To open the screen: Press the DISP TRIG.SET window ([Analog Trg.] sheet)  1. Level Trigger ( p.161) 2. In-Window Trigger  Out-of-Window Trigger ( p.161) ...
  • Page 173 9.3 Triggering by Analog Signals 4. In-Period Trigger, Out-of-Period Trigger __________________________ The rising edge and falling edge cycle of the reference voltage is measured, and triggering occurs when the cycle enters the preset range (In) or leaves the preset range (Out). ...
  • Page 174 9.3 Triggering by Analog Signals When Using Noisy Signals for Triggering Method 1: Enable the trigger filter By setting the filter width to prevent triggering on noise, triggering occurs only when the trigger criteria continue to be met for at least the specified width (interval).
  • Page 175 9.3 Triggering by Analog Signals Description About period range settings The period range settings for period triggering depend on the sampling period (sampling rate). (Changing the timebase also changes the period setting range.) The sampling rate setting can be verified on the Status screen - Status sheet. The upper threshold of the period range cannot be set below the lower threshold, and vice-versa.

  • Page 176: Triggering By Logic Signals (Logic Trigger)

    9.4 Triggering by Logic Signals (Logic Trigger) 9.4 Triggering by Logic Signals (Logic Trigger) The steps for making settings and selecting the type of logic trigger are described below. The Trigger settings window ([Logic Trig] sheet) is used. • Input signals on logic channels serve as the trigger source. Triggering occurs when the specified trigger pattern and logical probe combining criteria (AND/ OR) are met.
  • Page 177 9.4 Triggering by Logic Signals (Logic Trigger) 3. Trigger Pattern Make the settings of the logic trigger pattern. Select Ignore signal. (default setting) Trigger at LOW signal level. Trigger at HIGH signal level. To copy the setting to another channel The Trigger settings window ([Logic Trig] sheet) can be used to copy a setting.

  • Page 178: Trigger By Timer Or Time Intervals (Timer Trigger)

    9.5 Trigger by Timer or Time Intervals (Timer Trigger) 9.5 Trigger by Timer or Time Intervals (Timer Trigger) Set this to record at fixed times. • Triggering occurs at the specified interval from the specified Start time until the Stop time. •...
  • Page 179 9.5 Trigger by Timer or Time Intervals (Timer Trigger) Description About start and stop times • Start and Stop times should be set as times elapsed since the START key was pressed. • When the trigger mode is [Single] and the timer trigger is [On], only one timer trigger specified as the Start trigger is recognized.
  • Page 180 9.5 Trigger by Timer or Time Intervals (Timer Trigger) When a trigger is applied from a trigger source other than a timer trigger Trigger sources set to On are all enabled. However, trigger timing depends on the trigger source settings. •...

  • Page 181: Applying An External Trigger (External Trigger)

    9.6 Applying an External Trigger (External Trigger) Applying an External Trigger (External Trigger) An external signal applied to the External Control terminal can serve as a trigger source. It can also be used to synchronously drive parallel triggering of multiple instruments. Procedure key Waveform screen Press the key Trigger settings window...

  • Page 182: Pre-Trigger Settings

    9.8 Pre-Trigger Settings 9.8 Pre-Trigger Settings This applies to the Memory function, and FFT function only. By setting a portion (number of divisions or percentage) of the recording length to occur before trig- gering, the waveform is recorded before as well as after the trigger point. You can also set the duration of a waveform to be recorded after a trigger point.
  • Page 183 9.8 Pre-Trigger Settings Description About pre-triggering and the recording period (recording length) Trigger Point Pre-Trigger setting examples 95% of the recording length is recorded before the trigger point 50% of the recording length is recorded before and 50% after the trigger point -95% 95% of the recording length is recorded after the trigger point •...

  • Page 184: Setting Trigger Acceptance (Trigger Priority)

    9.8 Pre-Trigger Settings Setting Trigger Acceptance (Trigger 9.8.2 Priority) This applies to the Memory function only. You can set whether a trigger is recognized (accepted) if trigger criteria are met during this period. • When pre-triggering is enabled, trigger events are normally ignored for a cer- tain period after measurement starts (while recording the specified pre-trigger period).

  • Page 185: Setting Trigger Timing

    9.9 Setting Trigger Timing 9.9 Setting Trigger Timing This applies to the Memory function only. Set waveform recording operation when a trigger event occurs. Procedure key Waveform screen Press the key Trigger settings window To open the screen: Press the DISP TRIG.SET Move the cursor to the...

  • Page 186: Setting Combining Logic (And/Or) For Multiple Trigger Sources

    9.10 Setting Combining Logic (AND/OR) for Multiple Trigger Sources 9.10 Setting Combining Logic (AND/OR) for Multiple Trigger Sources Analog, logic, external and timer trigger criteria can be combined by AND/OR logic to define com- plex trigger criteria. Procedure key Waveform screen Press the key Trigger settings window To open the screen: Press the DISP...

  • Page 187: Using Trigger Settings To Search Measurement Data

    9.11 Using trigger settings to search measurement data 9.11 Using trigger settings to search measurement data Trigger settings can be used to search measurement data. Locations that match the set trigger criteria in the measurement data are searched for and displayed sequentially.
  • Page 188 9.11 Using trigger settings to search measurement data Description Search results Locations that match the criteria are displayed in the center of the screen and an S mark is displayed in this position. When no matches are found, a message stating that no matches were found is dis- played.

  • Page 189: Numerical Calculation Functions

    Numerical Calculation Chapter 10 Functions Numerical calculations can only be used with the Memory function. Results calculated from the acquired waveform are displayed as numerical values on the Waveform screen. Numerical calculation settings are made on the Status screen - [Num Calc] sheet.

  • Page 190: Numerical Calculation Workflow

    10.1 Numerical Calculation Workflow 10.1 Numerical Calculation Workflow There are two different ways of performing calculation. • Calculating While Measuring: Settings for numerical calculation must be made before the measurement. • Applying Calculations to Existing Data: Calculation is possible for waveform data after measurement is completed, and for data saved on media.
  • Page 191 10.1 Numerical Calculation Workflow Applying Calculations to Existing Data  (Load the Data) (To load measurement data from storage media for calcu- p.82) lation)  Make calculation settings on the Numerical Calculation p.182) Make Calculation Settings sheet ([Num Calc] sheet) ...

  • Page 192: Settings For Numerical Value Calculation

    10.2 Settings for Numerical Value Calculation 10.2 Settings for Numerical Value Calculation Procedure  To open the screen: Press the STATUS [Num Calc] sheet Enable the Numerical Calculation function. Move the cursor to the [Numerical Calc] item. Select [On]. Specify the Numerical Calculation range. Move the cursor to the [Calc Area] item.
  • Page 193 10.2 Settings for Numerical Value Calculation When printing or saving calculation re- Select the channel for calculations. sults during measurement Move the cursor to the item for the calculation target, and Settings must be made before the mea- select the channel. surement.
  • Page 194 10.2 Settings for Numerical Value Calculation Parameter table________________________________________________ Calculation Type Parameter Parameter description Period L (Level) Calculation is based on the interval (time) when this level is crossed. Frequency Only when the measurement signal has crossed the level and has not crossed the Pulse Width F (Filter) level again within the specified filter width, it is taken as a valid event.

  • Page 195: Displaying Numerical Calculation Results

    10.2 Settings for Numerical Value Calculation 10.2.1 Displaying Numerical Calculation Results Numerical calculation results are displayed on the Waveform screen Calculation Results Press the DISP key. If the display is hard to view because of Numerical values and waveforms are displayed overlapping numerical values and wave- separately.

  • Page 196: Judging Calculation Results

    10.3 Judging Calculation Results 10.3 Judging Calculation Results Set the judgment criteria (upper and lower threshold values) by which to judge numerical calculation results. Judgment criteria can be set for every numerical calculation. Waveform acquisition processing depends on the trigger mode setting (Single or Repeat) and the criteria specified to stop measuring upon judgment (GO, NG or GO &...
  • Page 197 10.3 Judging Calculation Results Procedure  To open the screen: Press the STATUS [Num Calc] sheet Make calculation settings. ( p.182) Enable the judgment function. Lower limit Upper limit value value Move the cursor to the [Judge] setting for Calculation No. to judge, and select [On].

  • Page 198: Display Of Judgment Results And Signal Output

    10.3 Judging Calculation Results 10.3.1 Display of Judgment Results and Signal Output Judgment results of numerical calculations are displayed on the Waveform screen. Within the judgment threshold range: GO judgment Out of the judgment threshold range: NG judgment (displayed in red) When printing, judgment results for each parameter are also printed.

  • Page 199: Saving Numerical Calculation Results

    10.4 Saving Numerical Calculation Results 10.4 Saving Numerical Calculation Results Calculate and automatically save during data acquisition. Before measurement begins, the calcula- tion settings need to be set. When using auto save during measurement, do not remove the storage media specified as the save destination until the measurement operation is completely finished.

  • Page 200: Printing Numerical Calculation Results

    10.5 Printing Numerical Calculation Results Example for saving numerical calculation results ___________________ If you save numerical calculation results, characters or display items used on the instrument are converted as shown below. Characters used on the instrument Saved characters   °...

  • Page 201: Numerical Calculation Type And Description

    10.6 Numerical Calculation Type and Description 10.6 Numerical Calculation Type and Description Numerical Calculation Description Type Obtains the average value of waveform data. AVE: Average value  Average -- - n: Data count di: Data on channel number i Obtains the RMS value of waveform data. If Scaling is enabled, calculations are applied to the waveform after scaling.
  • Page 202 10.6 Numerical Calculation Type and Description Numerical Calculation Description Type The rise time of the acquired waveform from A% to B% (or fall time from B% to A%) is ob- tained by calculation using a histogram (fre- quency distribution) of the 0 and 100% levels of the acquired waveform.
  • Page 203 10.6 Numerical Calculation Type and Description Numerical Calculation Description Type Finds the point where the signal crosses a speci- fied level from the start of the calculation range, Level Time to Level and obtains the time elapsed from the last trigger (Time-Lev) event.
  • Page 204 10.6 Numerical Calculation Type and Description...

  • Page 205: Waveform Calculation Functions

    Waveform Calculation Chapter 11 Functions Waveform calculations can only be used with the Memory function. A pre-specified calculation equation is applied to acquired waveform data, and the calculation results are displayed as a waveform on the Waveform screen. Waveform calculation settings are made on the Status screen - [Wave Calc] sheet.

  • Page 206: Waveform Calculation Workflow

    11.1 Waveform Calculation Workflow 11.1 Waveform Calculation Workflow There are two different ways of performing calculation. • Calculating While Measuring: Settings for waveform calculation must be made before the measurement. • Applying Calculations to Existing Data: Calculation is possible for waveform data after measurement is completed, and for data saved on media.
  • Page 207 11.1 Waveform Calculation Workflow Applying Calculations to Existing Data  p.82) After measurement with calcula- (To load measurement data from storage media for calcu- tion OFF (Or with data loading) lation)  p.199) Make Calculation Settings Make calculation settings on the Waveform Calculation sheet ([Wave Calc] sheet)
  • Page 208 11.1 Waveform Calculation Workflow When specifying a waveform range for calculation: Before executing a calculation, specify the calculation range using the A/B cursors (div or Trace cursors) on the Waveform screen. Set the calculation range on the [Wave Calc] sheet to [A-B Wave].

  • Page 209: Settings For Waveform Calculation

    11.2 Settings for Waveform Calculation 11.2 Settings for Waveform Calculation Procedure  To open the screen: Press the STATUS [Wave Calc] sheet Enable the Waveform Calculation function. Move the cursor to the [Wave Calculation] item, and select [On]. Specify the waveform calculation range. Move the cursor to the [Calc Area] item.

  • Page 210: Displaying The Waveform Calculation Results

    11.2 Settings for Waveform Calculation [Confirm]. When finished entry, select The entered equation is displayed in the field. [Equation] The scale (maximum and minimum vales) of the calculation results has a default setting of [Auto]. If you want to scale the results, set the maximum and minimum values under [Manual].
  • Page 211 11.2 Settings for Waveform Calculation About calculation equations _____________________________________ Operators Operator Name Operator Name Absolute Value DIF2 Derivative Exponent INT2 Integral Common Logarithm Sine Square Root Cosine Moving Average Tangent Movement parallel to the ASIN Inverse Sine time axis Derivative ACOS Inverse Cosine Integral...

  • Page 212: Setting Constants

    11.2 Settings for Waveform Calculation 11.2.2 Setting constants Procedure  To open the screen: Press the STATUS [Wave Calc] sheet Move the cursor to the No. to be set as [CONST.]. Select an entry method, and enter the constant. Setting range: -9.9999E+29 to +9.9999E+29 ...

  • Page 213: Changing The Display Method For Calculated Waveforms

    11.2 Settings for Waveform Calculation 11.2.3 Changing the display method for calculated waveforms Procedure  To open the screen: Press the STATUS [Wave Calc] sheet Calculation No. To copy settings between Calculation Nos.: Select F1 [Copy]. Waveform Display Upper and Displayed Graph to display color...
  • Page 214 11.2 Settings for Waveform Calculation Waveform Calcu- Calculate the RMS waveform from the instantaneous waveform The RMS values of the waveform input on Channel 1 are calculated and dis- lation Example played. This example describes the calculation of waveform data measured for one cycle over two divisions.

  • Page 215: Waveform Calculation Operators And Results

    11.3 Waveform Calculation Operators and Results 11.3 Waveform Calculation Operators and Results : ith member of calculation result data, d : ith member of source channel data Waveform Calculation Type Description Executes the corresponding arithmetic operation. Four Arithmetic Opera- tors ( +, -, *, / ) Absolute Value (ABS) (i = 1, 2, ..
  • Page 216 11.3 Waveform Calculation Operators and Results : ith member of calculation result data, d : ith member of source channel data Waveform Calculation Type Description When d > 1,   When -1 = acos(d Arccosine (ACOS)  When d <...
  • Page 217 11.3 Waveform Calculation Operators and Results : ith member of calculation result data, d : ith member of source channel data Waveform Calculation Type Description First and second integrals are calculated using the trapezoidal rule. to d are the integrals calculated for sample times t to t Calculation formulas for the first integral Point t...
  • Page 218 11.3 Waveform Calculation Operators and Results...

  • Page 219: Memory Division Function

    Memory Division Chapter 12 Function Memory division function can only be used with the Memory function. Memory division settings are made on the Status screen - [Memory Div] sheet.  p.121). Blocks to be displayed can also be selected on the Waveform screen Opening the [Memory Div] sheet...
  • Page 220 Operations available from the [Memory Div] sheet • Waveforms can be recorded into individual blocks by dividing memory space into multiple blocks. • You can record waveforms beginning at any block (Start Block), choose which blocks to display (Display Block), or display multiple overlaid blocks (Reference Block). •...

  • Page 221: Recording Settings

    12.1 Recording Settings 12.1 Recording Settings Procedure  To open the screen: Press the STATUS [Memory Div] sheet Enable the Memory Division function. Move the cursor to the item. [Memory Div] Select [On]. Memory Division is disabled.(default setting) Memory Division is enabled. Set the number of divisions.

  • Page 222: Display Settings

    12.2 Display Settings 12.2 Display Settings Procedure  To open the screen: Press the STATUS [Memory Div] sheet To display any block on the Waveform screen Set the display blocks Set after measurement is complete.(This can also be set on the ...
  • Page 223 12.2 Display Settings Getting Details on Each Block: The trigger time and measurement status of each block can be viewed on the list. [Map/List] [List] Move the cursor to the , and select Block No. A block can be selected by the CURSOR keys or keys.
  • Page 224 12.2 Display Settings Difference Between Dead Times During Normal and Memory Division Recording When both printer recording (Auto Print) and Auto Save are set for continuous triggering [Repeat] Anomalous phenomena occurring during dead times are not detected. Recording Dead Times Length Times during which sampling is inhibited due to internal processing, printing or saving When the Trace Waveform Display is disabled (Off) during Memory Division...

  • Page 225: Fft Function

    13.1 Overview and Features FFT Function Chapter 13 13.1 Overview and Features FFT analysis can only be used with the FFT function. The FFT (Fast-Fourier Transform) functions provide frequency analysis of input signal data. Use these functions for frequency analysis of rotating objects, vibrations, sounds and etc. ...

  • Page 226: Operation Workflow

    13.2 Operation Workflow 13.2 Operation Workflow Installation & Connections Turn Power On  "Chapter 2 Measurement Preparations" ( p.19) Set the Function to FFT ( p.217) Settings Measure with New Settings Measure with Existing Settings [Status] sheet   Set FFT analysis ( p.217) Set FFT analysis ( p.217)

  • Page 227: Setting Fft Analysis Conditions

    13.3 Setting FFT Analysis Conditions 13.3 Setting FFT Analysis Conditions Status screen [Status] sheet Basic measurement configuration settings are performed on the . Measure-  p.233). ment configuration can be performed from the Waveform screen Opening the [Status] sheet Selecting the FFT Function 13.3.1 The FFT function can be selected at screens other than the file screen.

  • Page 228: Selecting The Data Source For Analysis

    13.3 Setting FFT Analysis Conditions 13.3.2 Selecting the Data Source for Analysis Select the data to be used for FFT analysis. There are two analysis methods: analysis using new measurements and analysis of data measured using the memory function. Procedure ...

  • Page 229: Setting The Frequency Range And Number Of Analysis Points

    13.3 Setting FFT Analysis Conditions 13.3.3 Setting the Frequency Range and Number of Analysis Points ___________________ About the frequency range and number of analysis points • The settings for the frequency range and number of analysis points determine the input signal acquisition time and frequency resolution. •...
  • Page 230 13.3 Setting FFT Analysis Conditions Relationship Between Frequency Range, Resolution and Number of Analysis Points Number of FFT Analysis Points Sampling Timebase 1,000 2,000 5,000 10,000 Range Sampling frequency [/div] [Hz] period Acquisi- Acquisi- Acquisi- Acquisi- [Hz] (MEM) Resolu- Resolu- Resolu- Resolu- tion...

  • Page 231: Thinning Out And Calculating Data

    13.3 Setting FFT Analysis Conditions 13.3.4 Thinning Out and Calculating Data When performing FFT analysis of data measured using the memory function, the measurement data can be thinned before calculation. If the sampling frequency is too high and the expected results are not obtained, thin the data before calculation to increase the frequency resolution.

  • Page 232: Setting The Window Function

    13.3 Setting FFT Analysis Conditions 13.3.5 Setting the Window Function The window function defines the segment of the input signal to be analyzed. Use the window function to minimize leakage errors. There are three general types of window functions: • Hann window •...

  • Page 233: Setting Peak Values Of Analysis Results

    13.3 Setting FFT Analysis Conditions 13.3.6 Setting Peak Values of Analysis Results Either local or global maxima ([maximal]/ [maximum]) of the input signal and analysis results can be displayed on the Waveform screen. However, if Nyquist display is selected on the Status screen- [Status] sheet, no peak values are displayed.

  • Page 234: Averaging Waveforms

    13.3 Setting FFT Analysis Conditions 13.3.7 Averaging Waveforms The averaging function calculates the average of the values obtained from multiple measurements of a peri- odic waveform. This can reduce noise and other non-periodic signal components. Averaging can be applied to a time-domain waveform or to a spectrum. Procedure ...
  • Page 235 13.3 Setting FFT Analysis Conditions When averaging time-domain waveform values: Waveforms are acquired and averaged within the time domain. After averaging, FFT calculation is performed. When the trigger mode is [Auto]: Data is acquired when the START key is pressed, even if trigger criteria are not met after a certain interval.
  • Page 236 13.3 Setting FFT Analysis Conditions  Trigger Modes and Averaging If the trigger mode is [Single] or the calculation setting is [Once] Measurements continue until the specified number of averaging points is acquired. (Spectrum averaging) (Waveform averaging) Start Measurement Trigger analysis analysis START...

  • Page 237: Emphasizing Analysis Results (Phase Spectra Only)

    13.3 Setting FFT Analysis Conditions 13.3.8 Emphasizing Analysis Results (phase spectra only) By specifying a setting factor (rate) to be applied to the input signal, the display of data exceeding the result- ing threshold can be emphasized. This feature is useful for viewing waveforms that may otherwise be obscured by noise.

  • Page 238: Analysis Mode Settings

    13.3 Setting FFT Analysis Conditions 13.3.9 Analysis Mode Settings Select the type of FFT analysis, channel(s), waveform display color and x and y axes. Procedure  To open the screen: Press the STATUS [Status] sheet  See: To set from the Waveform screen ( p.233) Analysis Setting Contents...
  • Page 239 13.3 Setting FFT Analysis Conditions When [Parameter] setting contents are displayed Set the parameter. Move the cursor to the [Parameter] column of the Analysis No. to set. Select Analyze Parameter Setting Contents Filter: Normal 1/1 Octave, nables the octave filter. ...
  • Page 240 13.3 Setting FFT Analysis Conditions  Octave Filter Setting Filter features are based on JIS C1513-2002 class 1, class 2 (IEC61260). Sharp Normal Only those spectral component within the Filter characteristics approximate those octave band are used for analysis. Spec- of an analog filter.
  • Page 241 13.3 Setting FFT Analysis Conditions  Total harmonic distortion (THD) When the analysis mode is one of the following, the cursor appears and the distortion rate is calculated. (Linear spectrum, RMS spectrum, power spectrum) The distortion rate calculates the cursor position as the fundamental wave. When 2 cursors appear, the A cursor becomes the fundamental wave.

  • Page 242: 10Setting The Display Range Of The Vertical Axis (Scaling)

    13.3 Setting FFT Analysis Conditions 13.3.10Setting the Display Range of the Vertical Axis (Scaling) The display range of the vertical (y) axis can be set to automatically suit analysis results, and can be freely expanded and compressed. Procedure  To open the screen: Press the STATUS [Status] sheet...

  • Page 243: 11Setting And Changing Analysis Conditions On The Waveform Screen

    13.3 Setting FFT Analysis Conditions 13.3.11Setting and Changing Analysis Conditions on the Waveform Screen The following settings can be made on the Waveform screen. Changes to the displayed analysis results become effective when the settings are changed. • Available settings are frequency range, number of analysis points, type of win- dow function, trigger mode and pre-triggering •...

  • Page 244: Selecting Channels

    13.4 Selecting Channels 13.4 Selecting Channels Channel selection is the same for all functions.  For the setting method, refer to "3.5 Input Channel Setting" ( p.52) and "8.10 Making Detailed  Settings for Input Modules" ( p.146).  Scaling The scaling setting allows values displayed on this instrument to match the actual values read directly on a sound level meter or vibration meter.

  • Page 245: Setting Screen Displays

    13.5 Setting Screen Displays 13.5 Setting Screen Displays Set the display method for FFT calculation results. Procedure  To open the screen: Press the STATUS [Status] sheet Select the display format. Move the cursor to the [Format] item. Select the format of data to be displayed. The display format depends on the input data selected for analysis.
  • Page 246 13.5 Setting Screen Displays When “Drawing failed”: • NG: Nyquist, Running Spectrum The display format settings and analysis mode do not match. • NG: X-Axis Either change the [Format] setting and increase the number of screen divisions or change the display setting of the X-axis.

  • Page 247: Displaying Running Spectrums

    13.5 Setting Screen Displays 13.5.1 Displaying running spectrums [Format] is set to [Running spectrum], changes in frequency over time can be observed. Procedure  To open the screen: Press the STATUS [Status] sheet Select the reference data. Move the cursor to the [Reference], and select [New Data].
  • Page 248 13.5 Setting Screen Displays Procedure  To open the screen: Press the DISP Waveform screen Stopping waveform movement during measurement If the AUTO key is pressed during mea- surement, waveform movements can be stopped temporarily. The latest calculation results are displayed in the foreground.
  • Page 249 13.5 Setting Screen Displays Changing the grid display The display format of the grid can be switched. Press the WAVE key on the panel of the unit. Move the cursor to the [Display]. Change the grid display Press F1 [Change Grid] key and change the grid display.

  • Page 250: Saving Analysis Results

    13.6 Saving Analysis Results 13.6 Saving Analysis Results The saving procedure is the same as for the Memory and Recorder functions.  See: "Chapter 5 Saving/Loading Data & Managing Files" ( p.69) The size of saved files depends on the save format and analysis method. ...

  • Page 251: Printing Analysis Results

    13.7 Printing Analysis Results 13.7 Printing Analysis Results The printing procedure is the same as for the Memory and Recorder functions.  See: "Chapter 6 Printing" ( p.95) Example of Waveform Printout...

  • Page 252: Analysis With The Waveform Screen

    13.8 Analysis with the Waveform Screen 13.8 Analysis with the Waveform Screen 13.8.1 Analyzing after Specifying an Analysis Starting Point The FFT function can specify the calculation start position for waveforms measured by the memory function before calculation. Operation differs by calculation execution settings. ...
  • Page 253 13.8 Analysis with the Waveform Screen Specify the location of the analysis input data using the jog and shuttle controls. Moves the analysis starting point. Shuttle Memory Waveform Scrolls the Memory waveform. The analysis segment of the memory waveform for one pass is displayed. Select analysis conditions as occasion demands.

  • Page 254: Fft Analysis Modes

    13.9 FFT Analysis Modes 13.9 FFT Analysis Modes 13.9.1 Analysis Modes and Display Examples  For the functions of each analysis mode, see"13.9.2 Analysis Mode Functions" ( p.262). Storage Displays the time axis waveform of the input signal. When the window function setting is other than rectangular, the window function is applied to the waveform and displayed.
  • Page 255 13.9 FFT Analysis Modes Linear Spectrum The linear spectrum plots the input signal frequency. It can be displayed as a Nyquist plot. Main uses: • To inspect the peak frequency contents of a waveform • To inspect signal amplitudes at each frequency ...
  • Page 256 13.9 FFT Analysis Modes Nyquist display • If the cursor is displayed, the total harmonic distortion (THD), which sets the fundamental wave as the cursor position, is displayed. When two cursors appear, A cursor is the fundamental wave. When results cannot be obtained, [---%] is displayed.
  • Page 257 13.9 FFT Analysis Modes Normal display X axis: Log Y axis: Log-Mag Normal display X axis: Log Y axis: Lin-Real Normal display X axis: Log Lin-Imag Y axis: Lin-Imag If the cursor is displayed, the total harmonic distortion (THD), which sets the fun- damental wave as the cursor position, is displayed.
  • Page 258 13.9 FFT Analysis Modes Power Spectrum Displays input signal power as the amplitude component. Main uses: • To inspect the peak frequency contents of a waveform • To inspect the power level at each frequency  See: About the Functions"13.9.2 Analysis Mode Functions" ( p.262) Axis Display Type...
  • Page 259 13.9 FFT Analysis Modes Power Spectrum Density Indicates the power spectrum density of the input signal with only the amplitude component included. This is the power spectrum divided by the frequency resolution. Main uses: To acquire a power spectrum with 1-Hz resolution for highly irregular waveforms such as white noise ...
  • Page 260 13.9 FFT Analysis Modes LPC (Power Spectrum Density ) When the spectrum shape is complex and hard to comprehend with either linear or power spectra, a rough spectrum structure can be obtained.Main uses: To obtain a spectral envelope using statistical methods ...
  • Page 261 13.9 FFT Analysis Modes Transfer Function From the input and output signals, the transfer function (frequency characteristic) of a measurement system can be obtained. It can also be displayed as a Nyquist plot. Main uses: • To inspect a filter’s frequency characteristic •...
  • Page 262 13.9 FFT Analysis Modes Cross Power Spectrum The product of the spectra of two input signals can be obtained. The common frequency components of two signals can be obtained. Using the voltage and current waveforms as input signals, active power, reactive power and apparent power can be obtained at each frequency.
  • Page 263 13.9 FFT Analysis Modes Impulse Response The transfer characteristic of a system is obtained as a time-domain waveform. Utilizing both output and input signals of the measurement system, a unit impulse is applied to the system and the corresponding response waveform is obtained. Main uses: To inspect circuit time constants ...
  • Page 264 13.9 FFT Analysis Modes Coherence Function This function gives a measure of the correlation (coherence) between input and output signals. Val- ues obtained are between 0 and 1. Main uses: • To evaluate transfer functions • In a system with multiple inputs, to inspect the effect of each input on the output ...
  • Page 265 13.9 FFT Analysis Modes Phase Spectrum Shows the phase characteristics of the input signal. Main uses: • To inspect the phase spectrum of channel 1. Displays the phase of a cosine waveform as a reference (0º). • To inspect the phase difference between channels 1 and 2. ...
  • Page 266 13.9 FFT Analysis Modes Auto Correlation Function Shows the correlation of two points on the input signal at time differential t. Main uses: • To detect periodicy in irregular signals (improving and detecting SNR) • To inspect periodic components in a noisy waveform. ...
  • Page 267 13.9 FFT Analysis Modes Cross-Correlation Function Using two input signals, shows the correlation of two points on the input signal at time differential t. Output is displayed as a function of differential time t. Main uses: • To determine the phase shift of two signals per unit of time •...
  • Page 268 13.9 FFT Analysis Modes 1/1 Octave X axis: Log Y axis: Log-Mag Filter: Sharp 1/3 Octave X axis: Log Y axis: Log-Mag Filter: Normal 1/3 Octave X axis: Log Y axis: Log-Mag Filter: Sharp Not available with external sampling enabled. ...
  • Page 269 13.9 FFT Analysis Modes Measurable Ranges with Octave Analysis...
  • Page 270 13.9 FFT Analysis Modes...
  • Page 271 13.9 FFT Analysis Modes...

  • Page 272: Analysis Mode Functions

    13.9 FFT Analysis Modes 13.9.2 Analysis Mode Functions Analysis Mode Internal analysis formula (linear, real, imag [imaginary], log [logarithm]) No analysis. Storage Waveform A waveform obtained by applying the window function to a time-domain waveform. Histogram Counts amplitude data. Linear Spectrum RMS Spectrum Power Spectrum ...

  • Page 273: Waveform Evaluation Function

    14.1 Waveform GO/NG Evaluation (MEM, FFT Function) Waveform Evaluation Chapter 14 Function 14.1 Waveform GO/NG Evaluation (MEM, FFT Function) • The waveform evaluation function can be used from the Memory function (single screen, X-Y single screen), FFT function (1 screen standard, 1 screen Nyquist). •...
  • Page 274 14.1 Waveform GO/NG Evaluation (MEM, FFT Function) • Trigger mode: SINGLE Measurement continues until stop mode conditions are fulfilled and then stops. • Trigger mode REPEAT, AUTO Recording and waveform evaluation is carried out continuously. Press the STOP key to terminate the measurement. •...
  • Page 275 14.1 Waveform GO/NG Evaluation (MEM, FFT Function) Waveform evaluation mode and stop mode Waveform evaluation mode Stop mode Stop on GO result Return NG if any part of waveform leaves evalua- Stop on NG result tion area GO & NG Stop on GO or NG result Stop on GO result Return NG if entire wave-...

  • Page 276: Setting The Waveform Area

    14.2 Setting the Waveform Area 14.2 Setting the Waveform Area To evaluate the waveforms, a evaluation area is required. Two methods are available: one is to load the already created evaluation area and settings, and the other is to create a new evaluation area. Loading the already created evaluation area Setting method Procedure Screen: FILE...
  • Page 277 14.2 Setting the Waveform Area Creating a new evaluation area Setting method Procedure Screen: STATUS Press the key to call the Status screen. STATUS Function:MEMORY Move the flashing cursor to Waveform Judge. Press the function key. [edit] Make the new evaluation area. "14.5 Creating the Evaluation Area"...

  • Page 278: Setting The Waveform Evaluation Mode

    14.3 Setting the Waveform Evaluation Mode 14.3 Setting the Waveform Evaluation Mode Setting method Procedure Screen: STATUS Function:MEMORY Move the flashing cursor to Waveform Judge. Make the setting with the function keys. Select Disable waveform evaluation. Return NG if any part of the waveform leaves the evalua- tion area.

  • Page 279: Setting The Go/Ng Stop Mode

    14.4 Setting the GO/NG Stop Mode 14.4 Setting the GO/NG Stop Mode When waveform evaluation is enabled (OUT or ALL OUT is selected), the "Stop mode" menu appears. Specify which evaluation option, GO or NG, should be used to stop the recording. The Auto Save and Auto Print functions are only executed when interruption conditions are satisfied.
  • Page 280 14.4 Setting the GO/NG Stop Mode Relationship between stop conditions and the trigger mode • There are three trigger modes: Single, Repeat, and Auto. "9.2 Setting the Trigger Mode" ( p.159) See: • There are three stop conditions: PASS, FAIL, and PASS & FAIL. •...

  • Page 281: Creating The Evaluation Area

    14.5 Creating the Evaluation Area 14.5 Creating the Evaluation Area Setting method Procedure Screen: Waveform display Move the flashing cursor to the Waveform Judge item. Press the key. [edit] Use these commands to create the evaluation area. You can also use the mouse to create an area.

  • Page 282: Editor Command Details

    14.6 Editor Command Details 14.6 Editor Command Details Load Wave The waveform shown on the Waveform screen is loaded into the editor and displayed. Instructions Press the function key. [Load Wave] Select the type of waveform capture to perform. The waveform displayed on the Waveform screen will be loaded into the editor.
  • Page 283 14.6 Editor Command Details Fill color Fills in an enclosed area. Instructions Press the function key. [Fill color] ＋ Use the cursor keys to move the paintbrush mark to the area to be filled in. Pressing speed up accelerates the movement of the mark. If the area is not completely enclosed, adjacent areas will also be filled in.
  • Page 284 14.6 Editor Command Details Eraser Serves to erase unwanted sections. Move the mark with the cursor keys to erase parts of the image. Instructions Press the function key. [Eraser] Use the cursor keys to move the eraser mark to the start point of the section to be erased.
  • Page 285 14.6 Editor Command Details Invert colors Reverses the colors of a filled-in area and the surrounding area. Press this key. Displays filled in area in reverse. Cancel Serves to undo the immediately preceding command. It can be used with commands other than [Save and End] and [Discard and End]. Press this key and cancels the editor screen.
  • Page 286 14.6 Editor Command Details...

  • Page 287: System Environment Settings

    System Environment Chapter 15 Settings Use the System screen [Environment] sheet to make system-related settings. Opening the [Environment] sheet Pressing this key repeatedly displays the various sheets. [Environment] [Init] [File Save] [Printer] [Interface]  See: "Chapter 17 External Control" ( p.313)
  • Page 288 Setting Descriptions____________________________________________ Grid Select the grid (graticule) type for the waveform screen. No grid displayed. Dotted Line Display a dotted-line grid. (default setting) Solid Line Display a solid-line grid. Time Value Display the time from the trigger point on the display. Time Display the time from the trigger point (fixed units).
  • Page 289 Display Color Screen background and character colors on the Waveform screen can be set as desired. Select [Color Edit] change the (red), (green) and (blue) values  p.280) of each item to change its color. Color 1 / Color 2 / Color 3 / Color Edit Beep Sound This function audibly indicates warnings and operating conditions by beep sounds.
  • Page 290 Additional Description __________________________________________ Selecting a Select [Color Edit] to display the [Custom Color] screen. Screen Color Change the (red), (green) and (blue) values of each item to change its color.  See: "8.1.3 Alphanumeric Input" ( p.127) [Custom Color] screen Color setting for each waveform Grid (graticule) color Colors of cursor A and B lines...

  • Page 291: Connection To A Computer

    Connection to a Chapter 16 Computer This instrument is equipped with an Ethernet 100BASE-TX interface for LAN communications. You can control the instrument from PCs and other devices by connecting it to a network with 10BASE-T or 100BASE-TX cable (maximum length 100 m). It is also possible to directly connect the instrument to a computer via USB.

  • Page 292: Lan Settings And Connection (Before Using Ftp/Internet Browser/Command Communications)

    16.1 LAN Settings and Connection (Before Using FTP/Internet Browser/Command Communications) 16.1 LAN Settings and Connection (Before Using FTP/ Internet Browser/Command Communications) The required settings are different, depending on whether the instrument is to be connected to an existing network or directly to a PC. Always make LAN settings before connecting to the network.
  • Page 293 16.1 LAN Settings and Connection (Before Using FTP/Internet Browser/Command Communications) Setting Items Interface Select LAN or USB. Use DHCP* DHCP is a protocol that allows devices to automatically obtain and set their own IP addresses. *: Short for "Dynamic Host If you enable DHCP and there is a DHCP server operating in the same network, the Configuration Protocol"...
  • Page 294 16.1 LAN Settings and Connection (Before Using FTP/Internet Browser/Command Communications) LAN Setup Workflow Press the SYSTEM key and bring up the Communications sheet. According to the intended use, make set- tings as outlined below. Use the CURSOR keys to move the settings cursor, and use the keys to select a setting item.

  • Page 295: Connecting Instrument And Pc With Lan Cable

    16.1 LAN Settings and Connection (Before Using FTP/Internet Browser/Command Communications) 16.1.2 Connecting Instrument and PC With LAN Cable Connect the instrument to a PC with a LAN cable as follows. Plug the LAN cable (100BASE-TX compliant) into the 100BASE-TX connector on the right side of the instrument.
  • Page 296 16.1 LAN Settings and Connection (Before Using FTP/Internet Browser/Command Communications) 2. Making 1:1 Connections Between the Instrument and a PC (Connecting the Instrument to a PC) You can monitor and control the instrument from a PC by connecting the instru- ment to the PC with LAN cable (100BASE-TX cable) Connection cable: Use one of the following.

  • Page 297: Performing Remote Operations On The Instrument (Use An Internet Browser)

    16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) 16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) You can perform remote operations on the instrument from a PC by using an Internet browser. Attempting to control the instrument simultaneously from multiple computers may result in unintended operation.

  • Page 298: Connecting To The Instrument With An Internet Browser

    16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) 16.2.2 Connecting to the Instrument With an Internet Browser The following example shows how to use the IE (Internet Explorer) browser on Windows 7. Launch IE on the PC and enter "http://" plus the IP address of the instrument in the address bar. If the IP address of the instrument is "192.168.0.2"...

  • Page 299: Operating The Instrument With An Internet Browser

    16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) 16.2.3 Operating the Instrument With an Internet Browser Start/Stop Measurement You can start and stop a measurement. Measurement start/stop screen To open the screen: Click [Start/Stop] on list of operations. Procedure Click [Start]...
  • Page 300 16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) Remote Operation The instrument can be controlled from a remote location. Remote Control Screen To open the screen: Click [Remote Control] on list of operations. The remote control screen is divided into the instrument display section and operation panel. Zoom in or out Operation panel Instrument display...
  • Page 301 16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) Downloading Memory Data From Instrument You can download all data or data for a range specified by the A/B cursors. The data format can be binary, text, or Excel *: Microsoft Excel Memory Data Download Screen To open the screen: Click...
  • Page 302 16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) Downloading Data By FTP You can use FTP to download data from CF Card, HDD, or a USB memory stick. Data Download Screen for FTP To open the screen: Click [Acquire data by FTP] on list of operations.
  • Page 303 16.2 Performing Remote Operations on the Instrument (Use an Internet Browser) Entering a Comment You can specify strings to be used as title comment, logic channel comment, and analog channel comment. Information about the module type and channel (installation location in the instrument) can be obtained and used only for the respective channel.

  • Page 304: Accessing The Files On The Instrument From A Computer (Using Ftp)

    16.3 Accessing the Files on the Instrument From a Computer (Using FTP) 16.3 Accessing the Files on the Instrument From a Computer (Using FTP) By using a PC FTP client, you can transfer files from the instrument's media to the PC and perform other file operations.

  • Page 305: Making Ftp Settings At The Instrument

    16.3 Accessing the Files on the Instrument From a Computer (Using FTP) 16.3.1 Making FTP Settings at the Instrument Procedure  To open the screen: Press the SYSTEM [Interface] sheet Set the access restrictions. Move the cursor to the [Access Ctrl] item.

  • Page 306: Using Ftp To Connect To The Instrument

    You can also enter the user name and password, delimited by ':' and '@', in front of the normal IP address. [ftp:// Username:Password@ instrument IP address] Example: When the user name is "hioki" and the password is "1234": Enter [ftp://hioki:1234@192.168.0.2]. If the connection fails Check the communications settings of the instrument.

  • Page 307: Using Ftp For File Operations

    16.3 Accessing the Files on the Instrument From a Computer (Using FTP) 16.3.3 Using FTP for File Operations Downloading Files Select the file to download from the folder list and drag and drop* it on the down- load destination (the desktop or a folder outside the IE window). *: Click the file and hold the button down.

  • Page 308: Transferring Data To The Pc

    16.4 Transferring Data to the PC 16.4 Transferring Data to the PC The supplied USB Cable can be used to transfer data from the HDD or CF card to a computer. For information on how to use the supplied application software for data analysis, refer to the application's Help function.

  • Page 309: Wave Viewer (Wv)

    From the Windows Start button, open the [control panel] and click on [Add or remove programs]. Select [HIOKI Wave Viewer (Wv)] and uninstall the application. To upgrade to a newer version, uninstall the old version first and then install the new version.

  • Page 310: Usb Settings And Connection

    16.6 USB Settings and Connection (Before Command Communications) 16.6 USB Settings and Connection (Before Command Communications) Use the USB cable supplied with the instrument to connect the instrument to the PC. The instrument can then be controlled from the PC. Before command communication is possible, certain USB set- tings must be made and the connection must be established.
  • Page 311 16.6 USB Settings and Connection (Before Command Communications) Click [Next] Click Click [Next] When you want to change the installation destination. Click to change the [Browse...] folder to install into. Normally, there is no need to change. Click Click to start installing. [Next] Click...
  • Page 312 [Yes] Click Sometimes another dialog box requesting your permission to install the software may appear. 2 Cliick When it does, check 1 Click [Always trust software from "HIOKI E.E. CORPO- and click ] to con- RATION”] [Install tinue.
  • Page 313 16.6 USB Settings and Connection (Before Command Communications) When installation is completed and the dialog box appears, click to exit. [Close] This completes the driver installa- tion. Click Connecting the Instrument and Computer Computer Requirements: A personal computer running Windows XP, Vista 7 or 8. •...
  • Page 314 16.6 USB Settings and Connection (Before Command Communications) MR8847 Memory HiCorder USB cable Connect the other end of the cable to a USB port on the computer. The first time you connect the instrument and computer, perform the following procedure to enable the com- puter to recognize the instrument.
  • Page 315 16.6 USB Settings and Connection (Before Command Communications) Please wait while the driver is being installed. Click [Continue Anyway] A message saying that the soft- ware has not passed Windows Logo testing will appear a few times, click [Continue Anyway] continue installing.
  • Page 316 [Add or Remove Programs] 2 Click 3 Click 1 Click screen [Add or Remove Programs] appears. From the list of installed programs, select , and remove it. [HIOKI USB CDC Driver] You are returned to the screen. [Add or Remove Programs]...

  • Page 317: Controlling The Instrument With Command Communications (Lan/Usb)

    16.7 Controlling the Instrument with Command Communications (LAN/USB) 16.7 Controlling the Instrument with Command Communications (LAN/USB) You can control the instrument remotely over the communications interface (LAN or USB). • For details, see the communications related documentation on the supplied application disc.

  • Page 318: Making Settings On The Instrument

    16.7 Controlling the Instrument with Command Communications (LAN/USB) 16.7.1 Making Settings on the Instrument Set items related to command communications. Procedure  To open the screen: Press the SYSTEM [Interface] sheet Select Set the delimiter. Send character code 0x0a. Move the cursor to the [Delimiter] item.

  • Page 319: Communication Command Setting

    16.7 Controlling the Instrument with Command Communications (LAN/USB) 16.7.2 Communication Command Setting The following example shows how to make a connection using the telnet software (HyperTerminal) supplied with Windows XP. Launch HyperTeminal. Click [Start], [Programs] [Accessories] [Com- munications] - [HyperTerminal], and then click [HyperTerminal].
  • Page 320 16.7 Controlling the Instrument with Command Communications (LAN/USB) Make detailed connection settings. 1. Select [Properties] in the [File] menu. The Properties dialog for the specified connection name ap- pears. 2. Click the [Settings] tab. 3. Click the [ASCII Setup...] button. [ASCII Setup] dialog appears.

  • Page 321: Operating The Instrument Remotely And Acquiring Data By Using Model 9333 Lan Communicator

    16.8 Operating the instrument remotely and acquiring data by using Model 9333 LAN Communicator 16.8 Operating the instrument remotely and acquiring data by using Model 9333 LAN Communicator Model 9333 LAN Communicator, which is the optional communication program for PCs, enables the PC to control the instrument remotely and to store data directly.
  • Page 322 16.8 Operating the instrument remotely and acquiring data by using Model 9333 LAN Communicator...

  • Page 323: External Control

    Chapter 17 External Control This chapter describes how to operate the instrument using the external control terminals. We use the term external control terminals generically to refer to all of the terminals. To avoid electrical hazards and damage to the instrument, do not apply voltage exceeding the rated maximum to the input terminals.

  • Page 324: Connecting External Control Terminals

    17.1 Connecting External Control Terminals 17.1 Connecting External Control Terminals The method for connecting to the external control terminals is as follows. Connecting External I/O Terminals (Connector Blocks) Cables to connect Recommended cables: single strand diameter: 0.65 mm (AWG22) 10 mm Single strand multi-strand: 0.32 mm (AWG22)

  • Page 325: External I/O

    17.2 External I/O 17.2 External I/O 17.2.1 External Input (START/EXT.IN1) (STOP/EXT.IN2) (PRINT/EXT.IN3) External control signals can be applied to start and stop measurement, and to print and save data. The factory-default settings are to [Start], [Stop], and [Print]. Signal Input Procedure Connect the cables for the corresponding external input signals to START/ EXT.IN1, STOP/EXT.IN2, PRINT/EXT.IN3, and GND terminals.

  • Page 326: External Output (Go/Ext.out1) (Ng/Ext.out2)

    17.2 External I/O 17.2.2 External Output (GO/EXT.OUT1) (NG/EXT.OUT2) Signals can be output that indicate the instrument's judgment state. Signal Output Procedure Connect the GO/EXT.OUT1, NG/EXT.OUT2, and GND terminals to the device(s) to be controlled by single wires.  See: "17.1 Connecting External Control Terminals" ( p.314) Press the SYSTEM...
  • Page 327 17.2 External I/O The signal for the specified state is output. Output signal Open drain output (with voltage output) active LOW Output voltage HIGH level: 4.0 to 5.0 V, LOW level: 0 to 0.5 V (current value:15 mA) range Maximum input 50 VDC, 50 mA, 200 mW voltage Probe Calibration Active...

  • Page 328: External Sampling (Ext.smpl)

    17.2 External I/O 17.2.3 External Sampling (EXT.SMPL) External sampling is possible only when the Memory Function is enabled. The sampling speed can be controlled by applying an external signal. Signal Input Procedure Connect the cables for the corresponding output signals to EXT.SMPL and GND terminals.

  • Page 329: Trigger Output (Trig Out)

    17.2 External I/O 17.2.4 Trigger Output (TRIG OUT) You can output a signal when a trigger event occurs. In addition, multiple instruments can be con- trolled for parallel synchronous operation. Signal Output Procedure Connect the cables for the output signals to TRIG OUT and GND terminals. ...

  • Page 330: External Trigger Terminal (Ext.trig)

    17.2 External I/O 17.2.5 External Trigger terminal (EXT.TRIG) You can input external signals as trigger sources. In addition, multiple instruments can be controlled for parallel synchronous operation. Signal Input Procedure Connect the cables for the corresponding external input signals to the EXT.TRIG and GND terminals.

  • Page 331: Specifications

    18.1 General Specifications Chapter 18 Specifications 18.1 General Specifications Basic Specifications Measurement functions • Memory Function (high-speed data saving) • Recorder Function (real time recording) • X-Y Recorder Function • FFT Function No. of channels (max.) Analog 16 channels + Logic 16 channels (using the included logic probe input connector, ground is common with the GND terminal) or Analog 10 channels + Logic 64 channels (using supplied equipment plus up to three Model 8973 Logic Units) Memory capacity...
  • Page 332 18.1 General Specifications Display Section Display character Japanese/English Display type 10.4-in TFT Color LCD (800 × 600 dots) Display resolution T-Y waveform display: Normal 25 div (horizontal axis (time axis)) × 20 div (vertical axis (voltage axis)) X-Y waveform display: Normal 20 div (X axis) × 20 div (Y axis) Dot pitch 0.264 (Vertical) ×...
  • Page 333 18.1 General Specifications Zero adjust All channels and ranges together Waveform display magnifica- Horizontal axis (Time axis): ×10, ×5, ×2, ×1, ×1/2, ×1/5, ×1/10, ×1/20, ×1/50, ×1/100, ×1/200, tion ×1/500, ×1/1000, ×1/2000, ×1/5000, ×1/10000, ×1/20000, ×1/50000, ×1/100000, ×1/200000 (expansion only with Memory function) Vertical axis (Voltage axis): ×100, ×50, ×20, ×10, ×5, ×2, ×1, ×1/2, ×1/5, ×1/10 Variable display function Included (Upper and lower display limits, or specified vertical divisions)

  • Page 334: Measurement Specifications

    18.2 Measurement Specifications 18.2 Measurement Specifications 18.2.1 Memory Function 5, 10, 20, 50, 100, 200, 500 s/div Timebase 1, 2, 5, 10, 20, 50, 100, 200, 500 ms/div 1, 2, 5, 10, 30, 50, 100 s/div 1, 2, 5 min/div External sampling (100 S/div, adjustable settings) Time axis resolution 100 points/div...

  • Page 335: X-Y Recording

    18.2 Measurement Specifications Automatic saving Automatically saves data on CF card or hard disk after measuring (binary or text) When sampling is slow, saving starts during recording. Realtime printing Available with 500 ms/div and slower recording (start and stop printing by key while recording), With 10 to 200 ms/div recording, prints after recording stops (except during Continuous Record- ing), During continuous recording at 10 to 200 ms/div, print manually after measurement stops...

  • Page 336: Trigger Section

    18.3 Trigger Section 18.3 Trigger Section Trigger method Digital comparison Trigger modes • Memory Function, FFT Function: Single, Repeat, or Automatic • Recorder Function: Single or Repeat Trigger source Analog Unit (Ch1 to Ch16), Standard Logic 16 Channels + Logic Unit (Max. 3 units, 48 Channels) External Trigger occurs by applying a 2.5 V falling edge signal, or shorted terminals Independent trigger criteria settable for each channel Free-run operation occurs when all trigger types are off.

  • Page 337: File Specifications

    18.4 File Specifications 18.4 File Specifications Data Saving Supported storage media CF Card, HDD, USB memory stick, Internal RAM Saved data Setting data, Measurement data, Analysis data, Screen image, Print image, Waveform evaluation conditions Saving types • Setting data (.SET) Setting configurations can only be saved to internal RAM •...

  • Page 338: Built-In Functions

    18.5 Built-In Functions 18.5 Built-In Functions Calculation-related functions Calculation functions Memory Function supported Number of calculations Up to 16 calculations can be applied to any channel Calculation range Whole range, or between A/B cursors Calculation types Average, RMS or P-P values, maximum, minimum and time to max/min values, period, frequency, rise time, fall time, standard deviation, squared value, X-Y squared value, time to level, level at time, pulse width, duty ratio, pulse count, four basic arithmetic operations, Time difference calcu- lation, phase contrast calculation, High level calculation, Low level calculation...
  • Page 339 18.5 Built-In Functions Position Display (VIEW) Functions Display function All types of positions, memory division blocks (only when using memory division), waveform search results, past waveform history (when memory division is OFF, depends on record length) Relative position display Displays the relative position of the currently displayed waveform within the overall recording length, and locations of cursors and trigger events Block display Block usage status (when memory division is ON) or past waveform history status (when memory...
  • Page 340 18.5 Built-In Functions Counter printing Off, date or counter name and count value GUI partial printing/saving Off / On List Prints a list of settings Gauge Prints gauges for measurement channels (the same range is displayed on the same gauge) Gauges can be displayed Waveform backup function None...

  • Page 341: Input Modules Specifications

    18.6 Input Modules Specifications 18.6 Input Modules Specifications 18.6.1 8966 Analog Unit Temperature and humidity range 23 ± 5°C (73 ± 9F°), 20 to 80% RH (when zero adjustment is executed 30 minutes after power on) for guaranteed accuracy Period of guaranteed accuracy 1 year No.

  • Page 342: 8967 Temp Unit

    18.6 Input Modules Specifications 18.6.2 8967 TEMP Unit Temperature and humidity range 23 ± 5°C (73 ± 9F°), 20 to 80% RH (when zero adjustment is executed 30 minutes after power on) for guaranteed accuracy Period of guaranteed accuracy 1 year No.

  • Page 343: 8968 High Resolution Unit

    18.6 Input Modules Specifications 18.6.3 8968 High Resolution Unit Temperature and humidity range 23 ± 5°C (73 ± 9F°), 20 to 80% RH (when zero adjustment is executed 30 minutes after power on) for guaranteed accuracy Period of guaranteed accuracy 1 year No.

  • Page 344: 8969 Strain Unit

    18.6 Input Modules Specifications 18.6.4 8969 Strain Unit Temperature and humidity range 23 ± 5°C (73 ± 9F°), 20 to 80% RH (when auto balance is executed 30 minutes after power on) for guaranteed accuracy Period of guaranteed accuracy 1 year No.

  • Page 345: 8970 Freq Unit

    18.6 Input Modules Specifications 18.6.5 8970 Freq Unit Temperature and humidity range 23 ± 5°C (73 ± 9F°), 20 to 80% RH for guaranteed accuracy Measurement functions Based on voltage input, measures frequency, rotation speed, power frequency, integral values, pulse duty ratio, and pulse width. Connection terminal Insulated BNC terminal Input resistance...

  • Page 346: 8971 Current Unit

    18.6 Input Modules Specifications Storage temperature and humid- Same as the Memory HiCorder in which the 8970 is installed ity ranges Operating environment Same as the Memory HiCorder in which the 8970 is installed Applicable standards Safety EN 61010, EMC EN 61326 Class A Dimensions and mass Approx.

  • Page 347: 8972 Dc/Rms Unit

    18.6 Input Modules Specifications 18.6.7 8972 DC/RMS Unit Temperature and humidity range for 23 ± 5°C (73 ± 9F°), 20 to 80% RH (when zero adjustment is executed 30 minutes after power on) guaranteed accuracy Period of guaranteed accuracy 1 year No.
  • Page 348 18.6 Input Modules Specifications...

  • Page 349: Maintenance And Service

    The fuse is housed in the power unit of the instrument. If the power does not turn on, the fuse may be blown. If this occurs, a replacement or repair cannot be per- formed by customers. Please contact your dealer or Hioki representative.

  • Page 350: Trouble Shooting

    19.1 Trouble Shooting 19.1 Trouble Shooting If damage is suspected, check the "Troubleshooting" section before contacting your dealer or Hioki representative. If Power and Operating Keys Malfunction Symptom Check Item, or Cause Remedy and Reference display does Verify that the power cord is connected Is the power cord disconnected? properly.
  • Page 351 If Saving is Not Possible Symptom Check Item, or Cause Remedy and Reference "2.3 Recording Media Preparation" • Is your CF card Hioki certified?  p.30) • Is the storage media inserted properly? • Is the storage media formatted? If saving is not possible to ...

  • Page 352: Initializing The Instrument

    19.2 Initializing the Instrument 19.2 Initializing the Instrument 19.2.1 Initializing System Settings (System Reset) Select groups of settings currently in force on the instrument, and initialize the settings. Initialization returns the instrument to the factory default state. By default, the setting of [Setting (Stat, Ch, Trig)] and [Setting (Env)] are selected for initialization in this screen.

  • Page 353: Error Messages

    19.3 Error Messages 19.3 Error Messages A screen message appears whenever an error occurs. In either case, take the remedial action indicated. A beep may sound if the beeper setting on the [Environment] sheet is [Warn] [Warn+Action].  See: "Chapter 15 System Environment Settings" ( p.277) Warning Display Appears just once when an error...
  • Page 354 19.3 Error Messages Displayed Warnings Message Remedial Action Reference As other dialogs are displayed, selective sav- "5.2.3 Saving Data When executing, select "No" as the ing cannot be carried out. Either set the selec- Selectively (SAVE Key)" save property. tive saving during execution to [No] or close ...
  • Page 355 19.3 Error Messages Displayed Warnings Message Remedial Action Reference "8.2 Displaying Waveforms Cannot use. (Roll Mode, Memory Divi- If one function is used, the other functions During Recording (Roll sion, Wave Calculation) cannot be used.  p.130) Mode)" ( "8.3 Displaying New Wave- The overlay function is not available when us- Cannot use.(Overlay) forms Over Past Waveforms...

  • Page 356: Self-Test (Self Diagnostics)

    19.4 Self-Test (Self Diagnostics) 19.4 Self-Test (Self Diagnostics) The following self-test checks are available. Procedure  To open the screen: Press the SYSTEM [Init] sheet Check the instrument's internal memory (ROM and RAM). The results are  displayed on the screen. ( p.346) ...

  • Page 357: Printer Check

    19.4 Self-Test (Self Diagnostics) Procedure (Common for Printer Check, Display Check, Key Check, System Configuration Check)  To open the screen: Press the SYSTEM [Init] sheet 19.4.2 Printer Check This check tests the condition of the printer. Before executing, check to be sure that recording paper is loaded. Things to check for after printer Move the cursor to the [Printer Check]...

  • Page 358: System Configuration Check

    19.4 Self-Test (Self Diagnostics) 19.4.5 System Configuration Check The list of installed options and other system information appears in a separate window. Move the cursor to the [System Information] item. Select [Exec]. The System Configuration List appears. To reappear the original screen: Press any key.

  • Page 359: Cleaning

    19.5 Cleaning 19.5 Cleaning Print Head Cleaning The print head and surrounding metal parts can become hot. Perform cleaning only after making sure that the parts have fully cooled down.Be careful to avoid touching these parts. Normally, no maintenance is required. However, depending on usage condi- tions, dirt and paper dust may accumulate on the thermal head over the long term, causing light or smeared printing.
  • Page 360 19.5 Cleaning About the Print Head Note the following precautions to avoid discoloring or deforming the instrument. • Do not use organic solvents such as thinner or benzene. • After washing, allow the printer to dry completely before use. About the Roller Surface •...

  • Page 361: Disposing Of The Instrument (Lithium Battery Removal)

    19.6 Disposing of the Instrument (Lithium Battery Removal) 19.6 Disposing of the Instrument (Lithium Battery Removal) The instrument contains a lithium battery for memory backup. Remove this battery before disposing of the instrument. • To avoid electric shock, turn off the power switch and disconnect the power cord and connection cords before removing the lithium battery.
  • Page 362 19.6 Disposing of the Instrument (Lithium Battery Removal) Lithium Battery Removal Phillips screwdriver Slotted screwdriver Screw Upper side Handle cover Protector Front side Back side Remove Panel Back side Upper side Slide Lithium Battery Lead Circuit board...

  • Page 363: Appendix

    Appendix 1 Default Values for Major Settings Appendix Appendix 1 Default Values for Major Settings Default values for major settings are listed below. Screen Sheet / Window Items Settings Timebase 5 s/div Memory Recorder 10 ms/div Sampling (X-Y Recorder) 100 ms/S Shot 25 div Format...

  • Page 364: Appendix 2 Reference

    Appendix 2 Reference Appendix 2 Reference Appendix 2.1 Waveform File Sizes Refer to the following table for information about the waveform file sizes. References File Type Function Sizes Calculation method   MEM File Memory Function p.A2) p.A4)   REC File Recorder Function p.A2)
  • Page 365 Appendix 2 Reference FFT File Size (FFT Function） File size = header size + The size of the time axis data + the size of the mid-term data  Calculation method:"FFT File" ( p.A4) Number of calculations Data Quantity 1,000 360KB 694KB 2,000...
  • Page 366 Appendix 2 Reference Waveform File Size Calculation Method____________________________ MEM File File size (bytes) = setting size + data size *1: Setting size =23552 + 512 (analog channel portion + 4 x logic channel portion +Number of waveform calculation channels ) *2: Data size = 2 x (analog channel portion+logic channel portion + 2 xNumber of waveform calculation channels) x num- ber of data REC File...

  • Page 367: Appendix 2.2 Setting Configuration And Image Data File Sizes

    Appendix 2 Reference Appendix 2.2 Setting Configuration and Image Data File Sizes For information on the size of setting and image data files, see the table below. File Size Setting file 33 KB BMP (No color compression) 470 KB BMP (Gray scale/No compression) 470 KB BMP (B/W/No compression) 59 KB...
  • Page 368 Appendix 2 Reference Appendix 2.3 Timebase and Maximum Recordable Time The maximum available recording time depends on the selected timebase. The maximum recording time can be obtained by the following formula. Recordable time can be verified on the Status Recordable Time = Timebase x Recording Length screen - [Status] sheet.
  • Page 369 Appendix 2 Reference Memory Function MR8847-01 (Total memory: 64 MW) Channels used / Maximum Recording Length Timebase Sampling 16 channels 8 channels 4 channels 2 channels (Time/div) Speed 40,000 div 80,000 div 160,000 div 320,000 div 5 s 50 ns 0.2 s 0.4 s 0.8 s...
  • Page 370 Appendix 2 Reference MR8847-03 (Total memory: 512 MW) Channels used Maximum Recording Length Timebase Sampling (Time/div) Speed 16 channels 8 channels 4 channels 2 channels 320,000 div 640,000 div 1,280,000 div 2,560,000 div 5 s 50 ns 1.6 s 3.2 s 6.4 s 12.8 s 10 s...

  • Page 371: Appendix 2.4 Maximum Record Length And Number Of Divisions

    Appendix 2 Reference Appendix 2.4 Maximum record length and number of divisions (Memory division function) The maximum record length is automatically determined by settings for the number of channels used and the number of divisions. Desired record length MR8847-01 (Total memory: 64 MW) Channels used The number of divisions...
  • Page 372 Appendix 2 Reference Fixed record length MR8847-01 (Total memory: 64 MW) Channels used The number of divisions 1-2 channels 1-4 channels 1-8 channels 1-16 channels (blocks) Maximum record length (div) 100,000 50,000 20,000 20,000 50,000 20,000 20,000 10,000 20,000 20,000 10,000 5,000 20,000...

  • Page 373: Appendix 2.5 Scaling Method When Using Strain Gauges

    Appendix 2 Reference Appendix 2.5 Scaling Method When Using Strain Gauges This section describes how to determine the scaling conversion ratio when measuring with strain gauges and the Model 8969 Strain Unit. The appropriate conversion formula for stress depends on how the strain gauges are used.

  • Page 374: Appendix 3 About Options

    Items indicated "specify when ordering" are not user-installable. For new pur- chases, contact your supplier (agent) or nearest Hioki office. Input modules (Measurement amplifiers) These are installed by insertion into the compartments on the right side of the instrument. Modules can be swapped out as needed.
  • Page 375 Appendix 3 About Options Measurement probes, cords, and clamps Four channels, for detecting voltage and closed/open 9320-01 Logic Probe contact points Four isolated channels, for detecting AC/DC voltage on/ For Logic Signal Input MR9321-01 Logic Probe off (for small terminal types and for lines) Four channels, for detecting voltage and closed/open 9327 Logic Probe contact points (high-speed type)

  • Page 376: Appendix 3.2 Model 9783 Carrying Case

    Butterfly the instrument. Damaged cushioning material can be repaired for a fee. Please contact your HIOKI distributor. Opening the Latch Pull the butterfly up, and rotate it 1/2-turn counter- clockwise. When the catch releases, pull the butterfly towards...

  • Page 377: Appendix 4 If The Model 9784 Dc Power Unit Is Installed

    Appendix 4 If the Model 9784 DC Power Unit is Installed Appendix 4 If the Model 9784 DC Power Unit is Installed The Model 9784 enables the instrument to be operated from a DC power source such as a battery. When both AC power and the Model 9784 DC Power Unit are connected to the instrument, the AC power source has priority.
  • Page 378 Appendix 4 If the Model 9784 DC Power Unit is Installed • When using the DC Power Unit, printer specifications change as follows. 1. Maximum paper feed rate is 1 cm/s. (Consequently, real-time printing for continuous recording length operation is available at timebase settings slower than 1 s/div.) 2.

  • Page 379: Appendix 5 Fft Definitions

    Appendix 5 FFT Definitions Appendix 5 FFT Definitions What is FFT? __________________________________________________ FFT is the abbreviation for Fast Fourier Transform, an efficient method to calcu- late the DFT (Discrete Fourier Transform) from a time-domain waveform. Also, the reverse process of transforming frequency data obtained by the FFT back into its original time-domain waveform is called the IFFT (Inverse FFT).
  • Page 380 Appendix 5 FFT Definitions Representing the above relationship on a complex flat surface produces the fol- lowing figure. Imaginary component  実数部 Real component Linear Time-Invariant Systems __________________________________ Consider a linear time-invariant (LTI) system y(n) that is a response to discrete time-domain signal (n).
  • Page 381 Appendix 5 FFT Definitions Number of Analysis Points_______________________________________ The FFT functions of this instrument can perform frequency analysis of time- domain waveforms consisting of 1000, 2000, 5000, or 10,000 points. However, when the following conditions are satisfied, previously analyzed data can be reanalyzed with a different number of analysis points.
  • Page 382 Appendix 5 FFT Definitions Aliasing ______________________________________________________ When the frequency of a signal to be measured is higher than the sampling rate, the observed frequency is lower than that of the actual signal, with certain fre- quency limitations. This phenomena occurs when sampling occurs at a lower fre- quency than that defined by the Nyquist-Shannon sampling theorem, and is called aliasing.
  • Page 383 Appendix 5 FFT Definitions Anti-Aliasing Filters ____________________________________________ When the maximum frequency component of the input signal is higher than one- half of the sampling frequency, aliasing distortion occurs. To eliminate aliasing distortion, a low-pass filter can be used that cuts frequencies higher than one- half of the sampling frequency.
  • Page 384 Appendix 5 FFT Definitions Imaging ______________________________________________________ When the instrument is set to a measurement frequency range that requires a higher sampling rate than the maximum capability of the input module, interme- diate data points are interpolated between successive data samples. In this case, the time-domain waveform exhibits a stair-step shape.
  • Page 385 Appendix 5 FFT Definitions Averaging_____________________________________________________ With the FFT function, averaging is performed according to the following analyti- cal expressions. Averaging in the time domain produces meaningless data if per- formed with inconsistent trigger criteria. 1. Simple Averaging (Time and Frequency Domains) Sequences of acquired data are summed and divided by the number of acquisi- tions.
  • Page 386 Appendix 5 FFT Definitions Window Function ______________________________________________ The Fourier transform of a continuous system is defined by the integral Calculus in expression (14) for the time range from minus infinity to plus infinity.       (14) ...
  • Page 387 Appendix 5 FFT Definitions The following figure presents an example of spectral analysis by applying a win- dow function to a time-domain waveform. Using the window function, discontinuous points on the time-domain waveform are eliminated, so the wave shape approaches a line spectrum. When a Blackman-Harris window function is applied to a time-domain waveform (...
  • Page 388 Appendix 5 FFT Definitions Exponential window 0.1% 0.1% 99.9% 99.9% Frequency (1/W) Time-Domain Waveform Spectrum Hamming window Frequency (1/W) Time-Domain Waveform Spectrum Blackman window Frequency (1/W) Time-Domain Waveform Spectrum Blackman-Harris window Frequency (1/W) Time-Domain Waveform Spectrum...
  • Page 389 Appendix 5 FFT Definitions Flat top window Frequency (1/W) Time-Domain Waveform Spectrum The following example shows input sine waves of 1050 and 1150 Hz analyzed with different window functions. Because the frequencies in this example are close to one another, a rectangular window with a narrow main lobe is able to separate and display both frequencies, but a Hann window with a wide main lobe displays the two as a single spectral component.
  • Page 390 Appendix 5 FFT Definitions Octave Filter Characteristics _____________________________________ Octave filter characteristics are determined according to IEC61260 standards. The figures below show these standards and the filter characteristics of this instrument. 1/1 Octave Filter Characteristic Gain [dB] Gain [dB] Normal filter ノ...
  • Page 391 Appendix 5 FFT Definitions Linear Predictive Coding (LPC) ___________________________________ In the following figure, linear predictive coding is implemented by passing a sam- ple of the input signal through the prediction filter while altering the filter so as to minimize errors in the original signal. Input Signal 入力信号...
  • Page 392 Appendix 5 FFT Definitions...

  • Page 393: Index

    Index Index Index Numerics Print (Channel marker) ......... 101 Communications ..........281 Access ............295 100BASE-TX .............285 Command Communications ......307 2-Point ...............135 Delimiter ........... 308 8969 Strain Unit ..........150 Header ............. 308 9769 Conversion cable ......26, 29 Command Port (Port number) ......
  • Page 394 Index Index Hanning ............A25 Hanning Window ..........222 Entering Numerals ........... 129 Hard Disk (HDD) ..........31 Entering Text ............ 127 Help ..............15 ESC key ............. 11 HELP Key ............15 Event Count ............. 164 High Level ............193 Exponential ............
  • Page 395 Index Index LTI system ............A18 Power Source ............. 35 Power spectrum ..........248 Power spectrum density ........249 POWER Switch ..........36 Magnifying and Compressing ......116 Pre-Trigger ............172 Zoom Function ..........117 Pre-trigger ............172 Manual Trigger ..........171 Print ..............
  • Page 396 Index Index Using a Clamp-On Probe ......136 Timebase ............220 Using a strain gauge ........138 Timer Trigger ............ 168 Using Model 8969 Strain Unit ...... 137 To change the media .......... 70 Using strain gauges ........A11 Transfer function ..........
  • Page 397 Index Index Waveform Calculations Settings ............199 Waveform Color ..........203 Waveform color ..........233 Waveform Evaluation ........263 Waveform File Sizes .......... A2 Waveform Screen ..........242 Window Compensation ..........222 Window Function ..........222 Window function ....... 222, 233, A24 Window trigger ..........161 X Axis ..............229 X-Y Area ...........182, 192...
  • Page 398 Index Index...

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