Hioki LR8431-20 Instruction Manual
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Hioki LR8431-20 Instruction Manual

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LR8431-20
MEMORY HiLOGGER
Aug. 2015 Revised edition 3 
LR8431B980-03 15-08H
Instruction Manual
EN

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  • Page 1 LR8431-20 Instruction Manual MEMORY HiLOGGER Aug. 2015 Revised edition 3  LR8431B980-03 15-08H...

  • Page 3: Table Of Contents

    Contents Contents Introduction ................1 Confirming Package Contents ..........2 Safety Information..............3 Operating Precautions.............6 Chapter 1 Overview ____________________________________13 Product Overview and Features ......13 Measurement Flow ..........14 Names and Functions of Parts .......16 Screen Configurations ..........18 Basic Operation ............21  Screen Operations ............21 ...
  • Page 4 Contents Chapter 3 Setting before Measurement _______________ 37 Pre-Operation Inspection ........37 Operating Flow Overview ........38 Setting Configuration 1 – Recording Settings ..42  Specify the Recording Interval ......... 42  Setting the Display Time Base (horizontal axis  magnification,set as needed) ...........
  • Page 5 Contents Chapter 4 Specifying Criteria for Measurements  (Triggering, Alarm and Timer) ______________67 Setting Criteria to Start and Stop Recording ..68  Setting the Input Signal Trigger Threshold (Level Trigger) 69  Setting Lower and Upper Trigger Thresholds  (Window Trigger) ..............70 ...
  • Page 6 Contents  USB flash drive Insertion & Removal ....... 94  Formatting a CF Card/USB flash drive ......95 Saving Data ............. 96  Automatic Saving ............. 97  Selecting the Manual Saving Method  [Quick Save]/[Select & Save] ........... 98 ...
  • Page 7 Contents Chapter 8 System Environment Settings ____________ 119 Screen and Key Operation Settings ....120  Using the Auto-Resume Function  (Resume After Power Restoration) ........120  Adjust Backlight Brightness ..........120  Enabling and Disabling the Backlight Saver ....121  Selecting Black or White Screen Background ....121 ...
  • Page 8 Contents Appendix____________________________________ A1 Appendix 1 Error Messages and Remedial Actions ..A1 Appendix 2 File Naming ............A7 Appendix 3 Text File (CSV) Internal Format ......A8 Appendix 4 Binary File Size Calculation......A9 Appendix 5 List of Default Settings........A10 Appendix 6 Maximum Recordable Time ......A11 Appendix 7 Reference ............A12 Appendix 8 Concerning Noise Countermeasures ..A13 Appendix 9 Using the Application Program ....A19...

  • Page 9: Contents

    Introduction Introduction Thank you for purchasing the HIOKI "Model LR8431-20 Memory HiLogger." To obtain maximum performance from the instrument, please read this manual carefully, and keep it handy for future reference. Registered trademarks • Windows is a registered trademark of Microsoft Corporation in the United States and/or other countries.

  • Page 10: Confirming Package Contents

    (p. 30) The latest version can be downloaded from our web site. About options: Contact your dealer or Hioki representative for details.  Model 9780 Battery Pack  Model 9727 PC Card (256MB)  Model Z1005 AC Adapter  Model 9728 PC Card (512MB) ...

  • Page 11: 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 12 Safety Information Symbols for Various Standards This symbol indicates that the product conforms to regulations set out by the EC Directive. This is a recycle mark established under the Resource Recycling Promotion Law (only for Japan). Ni-MH 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 Article 11.2 of Directive 2002/96/ EC (WEEE).
  • Page 13 Safety Information Measurement categories To ensure safe operation of measurement instruments, IEC 61010 establishes safety stan- dards for various electrical environments, categorized as CAT II to CAT IV, and called mea- surement categories. Primary electrical circuits in equipment connected to an AC electrical outlet CAT II by a power cord (portable tools, household appliances, etc.) CAT II covers directly measuring electrical outlet receptacles.

  • Page 14: Operating Precautions

    • Before using the instrument, make sure that the insulation on the cables is undam- aged and that no bare conductors are improperly exposed. Using the instrument in such conditions could cause an electric shock, so contact your dealer or Hioki rep- resentative for replacements.
  • Page 15 Operating Precautions • Correct measurement may be impossible in the presence of strong magnetic fields, such as near transformers and high-cur- rent conductors, or in the presence of strong electromagnetic fields such as near radio transmitters. • If liquid enters the enclosure through an air vent or other opening, it may damage the instrument's internal circuitry.
  • Page 16 Before Turning Power On Using the Battery Pack • For battery operation, use only the HIOKI Model 9780 Battery Pack. We do not take any responsibility for accidents or damage related to the use of any other batteries.
  • Page 17 When an abnor- mal measurement value is observed, please contact your dealer or Hioki representative for inspection. The waveform for an open channel may sometimes appear to be influenced by the signals of the other channels being measured. If...
  • Page 18 Never use abrasives or solvent cleaners. • Hioki shall not be held liable for any problems with a computer system that arises from the use of this CD, or for any problem...
  • Page 19 • Although real-time saving to USB flash drive is supported, a CF card is recommended for data preservation. Performance cannot be guaranteed when using storage media other than a Hioki-specified CF card option. • Use a USB flash drive whose continuous current consumption does not exceed 300 mA (peak 500 mA).
  • Page 20 Operating Precautions...

  • Page 21: Chapter 1 Overview

    Chapter 1 Overview 1.1 Product Overview and Features The Hioki LR8431-20 Memory HiLogger is a compact, lightweight, easy-to- operate waveform recorder. It can run on batteries, and can be quickly deployed when a power anomaly occurs. Measurement data can be monitored, subjected to calculations and analyzed on a personal computer using the supplied application program.

  • Page 22: Measurement Flow

    1.2 Measurement Flow 1.2 Measurement Flow Installing, Connecting and Turning On Install the Battery Pack (option) (p. 26) Connect to the Model LR8431-20 (p. 25), and Set Up (p. 7) AC adapter connection (p. 30) Measurement cables connections To save data, insert a (p.
  • Page 23 1.2 Measurement Flow Configure Input Channels (p. 38) Select input channels, and set input types and measurement ranges. Make other settings as desired. Move to a Open the Select Apply setting item setting options Starting and Stopping Measurement Press the START/STOP Key (p. 22) Start Record once, and stop.

  • Page 24: Names And Functions Of Parts

    1.3 Names and Functions of Parts 1.3 Names and Functions of Parts Front Panel Rear Panel Manufacturer's Serial No. Display Screen (p. 81) Shows the serial number. 4.3-inch TFT color LCD Do not remove this label, as it is required Screen Configurations (p.
  • Page 25 1.3 Names and Functions of Parts Top Panel CF Card Slot Insert an optional CF card. (p. 93) AC Adapter Socket Analog Input Terminals Connect the supplied Model Connect measurement leads for voltage mea- Z1005 AC Adapter (p. 30). surement, and thermocouples for temperature (p.

  • Page 26: Screen Configurations

    1.4 Screen Configurations 1.4 Screen Configurations Waveform/Numerical Screens Selects between seven display types. The screen switches [Wave] Screen [Gauge+Wave] Screen each time you press Measurement data is displayed Measurement data is displayed the key. as waveforms with gauges (p. as waveforms (p. 81). 84).
  • Page 27 1.4 Screen Configurations Waveform/Numerical Screens (About the Icons) USB source indicator Indicates the USB status. Operating in USB  Memory mode. Operating in USB  Communication mode. CF card Displayed when a CF card is inserted. The icon appears red when accessing the card. Clock Power source indicator "Setting the Date and Time"...
  • Page 28 1.4 Screen Configurations Settings Screens Selects between seven display types. The screen switch- es each time you [Setting] Screen [CH] Screen press the key. Make settings for recording (p. Make input channel settings 42). Set numerical calculation, while viewing the monitor dis- Operational infor- auto-saving and timers.

  • Page 29: Basic Operation

    1.5 Basic Operation 1.5 Basic Operation Screen Operations Changing screen contents Select the item to change. Show available Setting Screen setting options. Select the desired setting. Apply the new setting, or cancel it. Waveform Screen Scrolling a waveform Later Earlier "Scrolling Waveforms"...

  • Page 30: Starting And Stopping Recording

    1.5 Basic Operation Starting and Stopping Recording Acquire measurement data on the Memory HiLogger, and start recording. When recording stops depends on data recording settings (repeat recording, triggering, timers, etc.). (p. 78) When you want measurement data to be automatically saved, before starting recording, check that auto-save is enabled (p.

  • Page 31: Disabling Key Operations (Key-Lock Function)

    1.5 Basic Operation Disabling Key Operations (Key-Lock Function) Keys can be disabled to avoid inadvertent operations. Press and hold the right and left cursor keys for three seconds to lock the other keys, and repeat to unlock. Saving Data Measurement data, settings, screen images and numerical calculation results can be saved.

  • Page 32: Verifying The Input Level (Level Monitor)

    1.5 Basic Operation Verifying the Input Level (Level Monitor) You can verify the input status and display range while making settings on the Setting screen. This is not available while measuring. Displayable Waveform Range Level Monitor This is determined by the waveform display range setting.

  • Page 33: Measurement Preparations

    (p. 31) Voltage measurement:  Connect the measurement leads. Temperature measurement:  Connect thermocouples. Pulse signals:  Connect the Hioki 9641 connection cable Connect the AC adapter (p. 30) External control signal (To save data) inputs Insert a CF card or USB flash External control signal...

  • Page 34: Using The Battery Pack (Option)

    2.1 Using the Battery Pack (Option) If commercial power is not available when the AC adapter is connected, the LR8431-20 Memory HiLogger can operate from the Model 9780 battery pack, so when using commercial power, the battery pack serves as a backup supply during power outages.
  • Page 35 • When recharging a discharged battery pack in the LR8431-20, allow it to charge for at least ten minutes with the LR8431-20 turned off to maximize battery longevity. • The battery pack is a consumable. If the battery capacity remains very low after correct recharging, the useful battery life is at an end.
  • Page 36 2.1 Using the Battery Pack (Option) When to charge When powering the instrument from the battery pack without the Model Z1005 AC Adapter, the low battery indicator ( ) is displayed when the battery charge is depleted, indicating that the battery pack requires charging. Note that if the Memory HiLogger is turned off under this situation, waveform data may fail to be backed up, and could be lost.

  • Page 37: Install The Battery Pack

    2.1 Using the Battery Pack (Option) Install the Battery Pack Required tool: Important One Phillips screwdriver (No.2) Disconnect the AC adapter when installing the battery pack. Battery Compartment Cover Make sure that the Be sure to properly cables are not seat the connectors.

  • Page 38: Connecting The Ac Adapter

    2.2 Connecting the AC Adapter 2.2 Connecting the AC Adapter Connect the power cord and the instrument to the supplied Model Z1005 AC Adapter, then plug the power cord into an outlet. When used with the battery pack installed, the battery serves as an operating backup supply in case of power failure, and the AC adapter otherwise has priority.

  • Page 39: Connecting Measurement Cables To The Memory Hilogger

    When an abnormal measurement value is observed, please contact your dealer or Hioki representative for inspection. • Measurements may be affected by noise or other electromag- netic ingress if input leads are longer than about three meters.

  • Page 40: Connecting Measurement Leads Or Thermocouples (For Voltage Or Temperature, Respectively)

    2.3 Connecting Measurement Cables to the Memory HiLogger Connecting Measurement Leads or Thermocouples (for voltage or temperature, respectively) Connect the voltage and temperature measurement (thermocouple) leads to the analog input terminals. Tools required: Phillips screwdriver (for M3 screws) Analog Input Terminals Connect to the...

  • Page 41: Connecting The Optional Model 9641 Connection Cable (For Pulse Signal Input)

    For safety, we recommend using only Hioki’s connection cable (measurement lead cable). Ends of the  P1 White (H)

  • Page 42: Turning The Power On And Off

    2.4 Turning the Power On and Off 2.4 Turning the Power On and Off Using the AC Adapter Before turning the instrument on, make sure the supply volt- age matches that indicated on its power connector. Connec- tion to an improper supply voltage may damage the instrument and present an electrical hazard....

  • Page 43: Zero Adjustment

    2.5 Zero Adjustment 2.5 Zero Adjustment Zero adjustment corrects for voltage offset at the input terminals, so that Mem- ory HiLogger measurements are relative to zero volts. Perform the zero adjustment procedure when using the instrument in a loca- tion where the ambient temperature is markedly different. Turn on the power and wait for 30 minutes to stabilize the internal...
  • Page 44 2.5 Zero Adjustment...

  • Page 45: Setting Before Measurement

    3.1 Pre-Operation Inspection 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. Peripheral Device Inspection Metal...

  • Page 46: Operating Flow Overview

    3.2 Operating Flow Overview 3.2 Operating Flow Overview Connect Connect measurement cables (p. 31). Configure Display the Setting screen Reload stored Configure measurement settings settings (p. 103) Configure data recording settings (p. 42) [Setting] screen (as needed) [Setting] screen Configure data Configure input channels (p.
  • Page 47 3.2 Operating Flow Overview Measurement Configuration (Setting Screen) Before measuring, configure the measurement settings on the [Setting] [CH] screens. A brief operational description of the currently selected (high- lighted) setting item appears at the bottom of the screen. Three recording methods are available. Timed recording, which record between specified start and stop times, can be used in combination with these methods (p.
  • Page 48 3.2 Operating Flow Overview Configure input channel settings: [CH] screen Make other settings as needed. Input Channel Settings  Entering channel comments (p. 60)  Voltage measurement (p. 50)  Selecting channel display colors (p. 56) Temperature measurement   ...
  • Page 49 3.2 Operating Flow Overview Measurement Configuration (Waveform Screen) Certain setting items are available on the Waveform screen. Setting details are the same as for those on the Setting screen. Horizontal Axis Settings  Specify the recording interval (data acquisition interval) (p. 42) ...

  • Page 50: Setting Configuration 1 - Recording Settings

    3.3 Setting Configuration 1 – Recording Settings 3.3 Setting Configuration 1 –  Recording Settings Configure the horizontal axis and recording settings on the [Setting] screen. To save data while measuring, auto save must be enabled beforehand (p. 46). Select the [Setting] screen.

  • Page 51: Setting The Display Time Base (Horizontal Axis Magnification, Set As Needed)

    3.3 Setting Configuration 1 – Recording Settings Setting the Display Time Base (horizontal axis magnification, set as needed) Displayed waveforms can be expanded or compressed along the horizontal axis. Shorter setting values corre- spond to greater magnification. This setting can be changed both during and after measurement without 1 div affecting acquired data (p.

  • Page 52: Selecting The Recording Start/Stop Method

    3.3 Setting Configuration 1 – Recording Settings Selecting the Recording Start/stop Method Specify how you want recording to start and Start Stop Measurement Measurement stop. The following methods are available. Continuous • Record continuously:  Recording Record continuously between starting and stop- ping measurement.

  • Page 53: Set The Recording Length For Repeated Or One-Time Recording

    3.3 Setting Configuration 1 – Recording Settings Set the Recording Length for Repeated or One-time Recording Select whether recording should be resumed Repeated recording after the specified recording length has elapsed or after recording is stopped by a “stop trigger” event. Select from the setting options.

  • Page 54: Automatic Saving

    3.3 Setting Configuration 1 – Recording Settings Automatic Saving Measurement data can be automatically saved to a CF card or USB flash drive while measuring. The available types and formats of automatically saved data are as follows. File  Saved Setting Description Content...
  • Page 55 3.3 Setting Configuration 1 – Recording Settings Select which content to save from the [Auto settings. Save] Setting options: Off*, Waveform(realtime), CSV(re- altime), Calc(post meas.), Waveform + Calc, + Calc ( default setting) When [Waveform(realtime)], [CSV(realtime)], [Waveform + Calc], [CSV + Calc] is selected Horizontal axis settings are in- (As needed) You can enter a file name for the...

  • Page 56: Replacing Removable Storage During Real-Time Saving

    3.3 Setting Configuration 1 – Recording Settings Replacing Removable Storage During Real-Time Saving During real-time saving, removable storage can be replaced without interrupting mea- surement. This procedure describes replacing a USB flash drive. Move the cursor to [EJECT]. Right bottom of the screen Execute Move the cursor to ...

  • Page 57: Setting Configuration 2 - Input Channel Settings

    3.4 Setting Configuration 2 – Input Channel Settings 3.4 Setting Configuration 2 – Input Channel Settings Configure the input channel settings on the [CH] screen. You can make these settings while viewing input signal amplitude on the level monitor. There are two general types of input signals, analog channels CH1 – CH10 and pulse channels P1 to P4.

  • Page 58: Voltage Measurement Settings

    3.4 Setting Configuration 2 – Input Channel Settings Voltage Measurement Settings Configure these settings for each voltage measurement channel. : On Select a channel ( ) for the CH 1 CH 10 : Off setting contents. [Channel] To enable measurement on the channel, select On to display the check mark ( Select for the...

  • Page 59: Temperature Measurement Settings

    3.4 Setting Configuration 2 – Input Channel Settings Temperature Measurement Settings Configure these settings for each temperature measurement channel. Select a channel ( ) for the CH 1 CH 10 : On setting contents. [Channel] : Off To enable measurement on the channel, select On to display the check mark ( Select for the...
  • Page 60 The numerical measurement values are displayed as “OVER” and -200 the cursor measurement value, calculation values and saved data are handled as full-scale output values of the 16-bit A/D converter. See: "LR8431-20 Measurement Values" (p. A12) -1000...

  • Page 61: Integration (Count) Measurement Settings

    3.4 Setting Configuration 2 – Input Channel Settings Integration (Count) Measurement Settings Configure these settings for each pulse channel receiving input from a pulse output device such as a watt-hour or flow meter. Use the scaling function to display integrated pulse counts as the correspond- ing physical units (such as Wh or VA) of the measurement parameter (p.

  • Page 62: Revolution Measurement Settings

    3.4 Setting Configuration 2 – Input Channel Settings Revolution Measurement Settings Configure these settings for each pulse channel on which you will be counting pulses corresponding to revolutions, such as output from a rotary encoder or tachometer. The revolution measurement is obtained by counting the number of pulses input per second.
  • Page 63 3.4 Setting Configuration 2 – Input Channel Settings Revolution Measurement Theory Pulse count is measured using the Memory HiLogger’s  internal 10 ms sampling interval. The revolution rate (r) per second during time t is obtained 0 10 ms 20 ms by dividing the number of pulses from (t-1) to t by the num- ber of pulses per revolution.

  • Page 64: Display Settings

    3.5 Display Settings 3.5 Display Settings Configure how each channel is displayed, as needed. These settings can be changed on the Numerical/Waveform screen after measurement. Selecting Waveform Display Color Different display colors can be selected for each input channel waveform. Select from the waveform display color set- ting options.

  • Page 65: Specifying The Vertical Display Range By Upper And Lower Lim- Its (Expansion/Compression)

    3.5 Display Settings Default Setting Zero Zero Input type Zoom Input type Zoom position position   Voltage Integration (Count) Temperature (Tc) Revolution (Revolve) (Zoom: x1) Display range Measurement range 100% 100% 100% Zero Position: 0% 100% Specifying the Vertical Display Range by Upper and Lower Lim- its (expansion/compression) The vertical display range can be defined by upper and lower limits.

  • Page 66: Converting Units (Scaling Function)

    3.5 Display Settings Converting Units (Scaling function) Use the scaling function to convert input voltage to the physical units of the measure- ment parameter for display, such to convert voltage input for display as electrical current. Normal Display Scaling Enabled Converted values can be displayed in fixed- (Off) or floating-point notation.
  • Page 67 3.5 Display Settings Setting Pulse Channel (Integration) Scaling Integrated pulse values can be converted for display as physical units of the mea- surement parameter (such as Wh or VA). Pulse output devices determine the amplitude per pulse in physical units, or the num- ber of pulses per fundamental unit (for example, per kWh, liter or m For the (condition) setting, select the...

  • Page 68: Entering Comments

    3.6 Entering Comments 3.6 Entering Comments Comments of up to 40 characters can be entered as a title for the measure- ment data, and as a label for each input waveform. Titles and comments are displayed on the waveform screen (Comments appear only when [Value+Cmnt] display is selected.
  • Page 69 3.6 Entering Comments Operating Panel Only the keys displayed on the operating panel are en- abled. • List (WAVE/DATA key) Measurement related terms are registered in the list beforehand. • Hist (History, key) You can select previously entered terms from the pick list.

  • Page 70: Viewing All Channel Settings In A List

    3.7 Viewing All Channel Settings in a List 3.7 Viewing All Channel Settings in a List All channel settings can be viewed and changed in the list. You can copy batches of settings between channels. [Range] screen [Scaling] screen Input Types : Voltage, : Temperature, : Integration,...

  • Page 71: Batch Copying Channel Settings

    3.7 Viewing All Channel Settings in a List Batch Copying Channel Settings The CH1 and P1 channel settings can be copied to other channels. Select the screen showing the channel to copy. [Range], [Scaling], [Trig & Alm] Select [Batch Proc]. Apply The selected items are displayed.

  • Page 72: Initializing Settings (To Factory Defaults)

    3.7 Viewing All Channel Settings in a List Initializing Settings (to factory defaults) All settings in the current window are reset to their factory default values. Select which screen you want to initialize,  from the [Range], [Scaling], [Trig & Alm] screens.

  • Page 73: Display Celsius (°C) Temperature Values As  Fahrenheit (°F)

    3.7 Viewing All Channel Settings in a List Alignment Example (with CH1 zero-position aligned at 95% and occupying 10% of vertical screen height) Channel Zero-position (%) 100% CH1 0 V CH10 0 V CH10 Display Celsius (°C) temperature values as Fahrenheit (°F) All measured temperature values can be converted at once from Celsius to Fahrenheit units.
  • Page 74 3.7 Viewing All Channel Settings in a List...

  • Page 75: Specifying Criteria For Measurements  (Triggering, Alarm And Timer)

    Specifying Criteria for  Measurements (Triggering, Chapter 4 Alarm and Timer) You can set recording to start and stop under specific criteria (start/stop triggers), and to output alarm signals. You can also set specific times to start and stop record- ing, using the Timer function.

  • Page 76: Setting Criteria To Start And Stop Recording

    4.1 Setting Criteria to Start and Stop Recording 4.1 Setting Criteria to Start and Stop Record- There are two ways to set the criteria to start and stop recording according to waveform slope. Select whether to trigger at the rising or falling edge of the input signal. Type of Analog Trigger Trigger Example Description Level Trigger...

  • Page 77: Setting The Input Signal Trigger Threshold (Level Trigger)

    4.1 Setting Criteria to Start and Stop Recording Select the [CH] Screen. Move to a setting item. Open the setting options for the item to be set. Select from the listed options. Apply Setting the Input Signal Trigger Threshold (Level Trigger) Enter the signal level threshold at which to start or stop recording, and whether triggering occurs on the upslope or downslope of the input signal.

  • Page 78: Setting Lower And Upper Trigger Thresholds (Window Trigger)

    4.1 Setting Criteria to Start and Stop Recording Setting Lower and Upper Trigger Thresholds (Window Trigger) An input signal level “window” within which recording will (or will not) occur can be defined by upper and lower threshold levels. You can select whether record- ing starts or stops when the input signal level enters (In) or exits (Out) of this window....

  • Page 79: Selecting Trigger Sources And Combinations

    4.1 Setting Criteria to Start and Stop Recording Selecting Trigger Sources and Combinations Enable the trigger function (set to On), select recording start/stop timing, and set trigger criteria. Triggering is affected only by those channels for which trig- ger criteria have been set. Make these settings on the [Trig &...

  • Page 80: Setting Criteria For Pre-Trigger Recording (Pre-Trig)

    4.1 Setting Criteria to Start and Stop Recording Setting Criteria for Pre-Trigger Recording (Pre-Trig) Select the [Start] or [Start&Stop] trigger timing setting to record waveforms both before and after trigger events. However, pre-trigger recording is disabled when [Stop] trigger timing is selected. Make the setting on the [Trig &...

  • Page 81: Alarm Output

    4.2 Alarm Output 4.2 Alarm Output You can enable beep tones and an alarm output signal (for external use) for each input channel by setting its alarm criteria. You can also view alarm output status on screens that display numerical values ([Wave+Value], [Value+Cmnt] and [Value]). Alarm Criteria Channel alarm status (CH1 to CH10 and P1 to P4) •...
  • Page 82 4.2 Alarm Output Setting Alarm Criteria for Each Channel For the , select a channel for which you [Channel] want to set alarm criteria. Select to enable alarm criteria settings. [Alarm on.] Select the alarm criteria type from the [Cond] setting options.

  • Page 83: Confirming Trigger And Alarm Criteria Set- Tings (List)

    4.3 Confirming Trigger and Alarm Criteria Settings (List) 4.3 Confirming Trigger and Alarm Criteria Set- tings (List) You can view and change trigger and alarm criteria settings for all channels. However, detailed criteria settings such as level, threshold and slope can only be changed on the [CH] screen (p.

  • Page 84: Starting And Stopping Recording By Timer

    4.4 Starting and Stopping Recording by Timer 4.4 Starting and Stopping Recording by Timer Make these settings to record at a specific time. Recording can be set to repeat at specific intervals between the set start and stop times. Before setting, confirm that the Memory HiLogger clock is set to the correct time.
  • Page 85 4.4 Starting and Stopping Recording by Timer Example: To record daily from 9:00 to 17:00 for one month beginning 1/1/2012,  Repeat Recording: On, Timer: On (YY-M-D) (H:M:S) 12-1-1 12-1-1 12-1-2 9:00 17:00 9:00 (From) Start On 12-1-1 9: 0: 0 8 hours (Until) Stop...

  • Page 86: About Recording Operation

    4.5 About Recording Operation 4.5 About Recording Operation Recording operation depends on the combination of trigger, timer and repeat recording (On/Off) settings. Timer start/stop time Trigger criteria match Press START/STOP Trig- Repeat: Off Repeat: On Cont. Timer Recording time Recording time Recording Recording...
  • Page 87 4.5 About Recording Operation Timer start/stop time Trigger criteria match Press START/STOP Trig- Repeat: Off Repeat: On Cont. Timer Recording time Recording time Off Start Off Recording Recording Start recording Stop recording Start recording Stop recording Stop Recording Recording time time A stop trigger oc- Recording...
  • Page 88 4.5 About Recording Operation...

  • Page 89: Waveform Analysis

    Waveform  Chapter 5 Analysis About the Waveform and Numerical Value Screens Measurement Trigger Mark Configuration Indicates a trigger event You can change  these settings (p. 41) Analog and pulse You can switch  waveforms between channel  Displays acquired settings and event ...

  • Page 90: Viewing Waveforms

    5.1 Viewing Waveforms 5.1 Viewing Waveforms Scrolling Waveforms When measuring or displaying an existing waveform, use the keys to scroll. SCROLL/CURSOR You can scroll to any part of a waveform while mea- Later Earlier suring. To return to the current waveform position, Screen Display move the selection cursor to [Trace] at the lower right of the screen, and press the ENTER key....

  • Page 91: Magnifying And Compressing Horizontally

    5.1 Viewing Waveforms Magnifying and Compressing Horizontally Waveforms can be magnified (expanded or com- pressed) along the time axis by changing the time per horizontal division. Detailed waveform data is usually best observed with the time axis expanded, while longer-term trends are best observed with it compressed.

  • Page 92: Selecting Display Options

    5.2 Selecting Display Options 5.2 Selecting Display Options Displaying Gauges A gauge corresponding to the measurement range of each channel can be displayed at the left side of the screen, for confirming measurement values. The color of the gauge matches the waveform display color of its input channel.
  • Page 93 5.2 Selecting Display Options Cursor values can be displayed for all channels, or for only desired channels. Cursor Values for All Channels Cursors Displays the A/B cursors and the values at the cursor positions. To hide the cursor items again, press the key.

  • Page 94: Specifying A Waveform Time Span

    5.2 Selecting Display Options Specifying a Waveform Time Span Specify a waveform time span when saving a partial waveform or applying numerical calculations (Trace cursors or Vertical cursors). The A/B cursors and cursor values are displayed. Select [Move]. Open the setting options [Move] for the item to be set.

  • Page 95: Viewing Input Signals As Numerical Values

    5.2 Selecting Display Options Viewing Input Signals as Numerical Values Numerical values can be displayed in three ways: numerical values only, waveforms and numerical values, and numerical values and comments. Displayed numerical values are those of the current input signals. To display waveforms and numerical values Select the Waveform Screen.

  • Page 96: Inserting Event Marks (Search Function)

    5.3 Inserting Event Marks (Search Function) 5.3 Inserting Event Marks (Search Function) You can insert up to 100 event marks at any point while measuring, to help find them later. See "Searching Event Marks" (p. 90) Event marks can be inserted while viewing waveforms or by applying external signals.

  • Page 97: Inserting Event Marks Using External Input Signals

    5.3 Inserting Event Marks (Search Function) Inserting Event Marks Using External Input Signals Event marks can be inserted by applying external input signals. Input signal specifications in section 9.2, "External Trigger Input" (p. 131) See: Select the [System] screen. Select [External Trig In].

  • Page 98: Searching Event Marks

    5.3 Inserting Event Marks (Search Function) Searching Event Marks Any event mark can be found by searching. Select the Waveform Screen. When [Channel] is  displayed, switch to [Event]. The event setting items are displayed. Apply For the [MoveNo.] setting, select the number of the event you want to find.

  • Page 99: Saving & Loading Data

    6.1 About Saving and Loading Data Saving &  Chapter 6 Loading Data Measurement data acquired by the Memory HiLogger can be saved to a CF card or USB flash drive. (p.93) The CF card is treated as Drive A:, while the USB flash drive is treated as Drive B:.
  • Page 100 6.1 About Saving and Loading Data Depending on file size and CF card or USB flash drive capacity, each folder can store over 1,000 files. However, the file screen display is limited to a maximum of 1,000 files. Also, as more files are created, more time is needed to start and stop recording.

  • Page 101: Using A Cf Card/Usb Flash Drive

    CF card for this purpose due to the supe- rior data protection offered by that media. Proper operation of media other than Hioki optional CF cards is not guaranteed. • USB flash drives with security functionality such as password or...

  • Page 102: Cf Card Insertion & Removal

    6.2 Using a CF Card/USB flash drive CF Card Insertion & Removal Inserting a CF card Cover Open the CF card slot cover. Press the Eject button in if it is in the released position. Face the CF card with the arrow mark () on top, and insert it in the direc- tion of the arrow all the way in the slot.

  • Page 103: Formatting A Cf Card/Usb Flash Drive

    6.2 Using a CF Card/USB flash drive Formatting a CF Card/USB flash drive The CF card or USB flash drive can be formatted by a PC or by the HiLogger. Format a new CF card or USB flash drive before use. This procedure describes how to format a CF card or USB flash drive in the HiLogger.

  • Page 104: Saving Data

    A/B cursors. (Saving a waveform section is not available with Auto Save) To save a screen image, display the de- Save sired screen before saving. The LR8431-20 and 8430-20 use compatible waveform data, display image, and settings data formats that can be read by both instruments.

  • Page 105: Automatic Saving

    6.3 Saving Data Automatic Saving Before measuring, configure saving on the [Setting] screen. Waveforms and numerical calculation results can be saved automatically. Folders are created for saved data according to data type, and files are automatically numbered (p.91). For waveform data, folders named with the current date (YY-MM-DD) are cre- ated automatically.

  • Page 106: Selecting The Manual Saving Method [Quick Save]/[Select & Save]

    6.3 Saving Data Selecting the Manual Saving Method [Quick Save]/[Select & Save] Two manual saving methods are available: [Quick Save] and [Select & Save], both of which offer the same setting options. When saving measurement data, folders are created on the CF card or USB flash drive for each data type, and files are automatically numbered (p.91) Select the Screen.

  • Page 107: Saving Waveform Data (With The Save Key)

    6.3 Saving Data Saving Waveform Data (with the SAVE Key) Waveform data is saved in files named WAVEnnnn.MEM in folders named with the date of recording (YY-MM-DD), created in the [HIOKI_LR8431]- [DATA] folder (p.91). To save a partial waveform, specify the time span to save beforehand (p.86). Select &...

  • Page 108: Capturing A Screen Image (With The Save Key)

    6.3 Saving Data Capturing a Screen Image (With the SAVE Key) Captured screen image files are automatically named SCRnnnnn.BMP in a folder named [HIOKI_LR8431]-[PICTURE] (p.91). Select & Save Quick Save Display the screen to capture, and press the key. SAVE (Select from the dialog that appears (Before pressing the SAVE...

  • Page 109: Saving Numerical Calculation Results (With The Save Key)

    6.3 Saving Data Saving Numerical Calculation Results (With the SAVE Key) Numerical calculation settings are necessary before saving results (p.113). Numerical calculation result files are automatically named MEASnnnn.CSV in a folder named [HIOKI_LR8431]-[MEASUREMENT] (p.91). Select & Save Quick Save (Select from the dialog that appears (Before pressing the SAVE key, make...

  • Page 110: Saving Setting Configurations

    CF card or USB flash drive. Select the [Setting] Screen. Select [Save Set.]. Apply The Save dialog appears. Select whether to save to the LR8431-20’s memory or to a CF card or USB flash drive. Apply [Memory] (When is selected) Select [Save] for the con- figuration instance (No.)

  • Page 111: Loading Data On The Memory Hilogger

    Screen. Select [Load Set.]. Apply The loading dialog appears. Select whether to load a set- ting configuration from LR8431-20’s memory or CF card　or USB flash drive. Apply [Memory] (If you selected Select [Load] for the con- figuration you want to load.

  • Page 112: Loading Waveform Data And Screen Images

    6.4 Loading Data on the Memory HiLogger Loading Waveform Data and Screen Images Binary waveform data or captured screen images can be reloaded into the Memory HiLogger. Select the File Screen. The contents of the CF card are displayed. Select a file to load Displays the child folder.

  • Page 113: Data Management

    6.5 Data Management 6.5 Data Management You can manage data stored on a CF card r USB flash drive in the Memory HiLog- ger. • Load a file (when the file is selected) (p.103) • Move displayed folders (when the folder is selected) (p.106) •...

  • Page 114: Viewing Folder Contents And The Parent Folder

    6.5 Data Management Viewing Folder Contents and the Parent Folder Select the File Screen. The contents of the card are displayed. Select a folder to view. View child folder (view contents of the currently highlighted folder) (press the ENTER key and select [Folder] in the displayed control dialog box)

  • Page 115: Renaming Files And Folders

    6.5 Data Management Renaming Files and Folders Folders and files on a CF card can or USB flash drive be renamed. File names may consist of up to 26 regular characters. Select the File Screen. The contents of the CF card are displayed.

  • Page 116: Copying Data

    6.5 Data Management Copying Data Files and folders can be copied between a CF card and USB flash drive. What if the file I want to copy is not displayed? Select the File Screen. See: "Switching removable storage" (p. 105) See: "Viewing Folder Contents and the Parent Folder"...

  • Page 117: Sorting Files

    6.5 Data Management Sorting Files Files can be sorted in ascending or descending order according to a selected sort key. Select the File Screen. Apply The control dialog box appears. Select [Sort]. Apply Select the key on which to sort. Apply Select the desired sort...

  • Page 118: Transferring Data To A Computer  (Usb Drive Mode)

    6.6 Transferring Data to a Computer (USB Drive Mode) 6.6 Transferring Data to a Computer  (USB Drive Mode) Data saved to a CF card can be transferred to a computer using the supplied USB cable. Before connecting the USB cable to the instrument, set the USB mode on the [System] screen to [USB Drive].

  • Page 119: Connecting The Usb Cable

    6.6 Transferring Data to a Computer (USB Drive Mode) Connecting the USB Cable Compatible OS: Windows XP, Vista, 7 or 8 • Do not eject the CF card or pull out the USB cable during data transfer. Doing so would prevent proper data transfer. •...
  • Page 120 6.6 Transferring Data to a Computer (USB Drive Mode)

  • Page 121: Numerical Calculations

    7.1 Calculation Methods Numerical  Chapter 7 Calculations 7.1 Calculation Methods Calculations can be applied to measured data. Six types of numerical calculation are available, four of which can be applied at the same time. Refer to 7.2, "Numerical Value Calculation Expressions" (p. 117) for details of the calculation methods. You can specify the measurement time span over which calculations are to be applied (p.

  • Page 122: Auto Calculation

    7.1 Calculation Methods Auto Calculation Numerical calculations are performed automatically after measurement. Select the [Setting] Screen. Select [NumericalCalc.]. Open the setting options for the item to be set. Select [On]. Apply Select any of [Calc1] [Calc4] Open the setting options for the item to be set.

  • Page 123: Manual Calculation

    7.1 Calculation Methods Manual Calculation Start and finish measuring. Select the Waveform Screen. You can select it from the [Setting] screen. Select [Wave+Calc] display. Enable (set to ) numerical [On] calculation. Select [Calc1] [Calc4] and move to the setting options. Open the setting options for the item to be set.

  • Page 124: Apply Calculations To A Specific Time Span  (Manual Calculation Only)

    7.1 Calculation Methods Apply Calculations to a Specific Time Span  (Manual Calculation Only) After measuring, calculation can be applied to a specified time span. Make any other calculation settings before specifying the calculation time span (p. 115). Display A/B Cursors. Position the A/B cursors to define the calculation time span.

  • Page 125: Numerical Value Calculation Expressions

    7.2 Numerical Value Calculation Expressions 7.2 Numerical Value Calculation Expressions Obtains the average value of waveform data.  Average AVE: Average value -- - n : Data count di : Data on channel number i Maximum Obtains the value of the difference value Peak Value (peak-to-peak value) between maxi-...
  • Page 126 7.2 Numerical Value Calculation Expressions...

  • Page 127: System Environment Settings

    System Environment  Chapter 8 Settings Settings affecting the clock, SAVE key operation and self testing are made from the System screen. Screen and Key Operation Settings  Specify operating behavior when recovering from power outages (Start Backup) (p. 120) ...

  • Page 128: Screen And Key Operation Settings

    8.1 Screen and Key Operation Settings 8.1 Screen and Key Operation Settings Select the [System] Screen. Move to a setting item. Open the setting options for the item to be set. Select from the listed op- tions. Apply Using the Auto-Resume Function  (Resume After Power Restoration) If a power outage or other power loss causes an interruption in recording (while the LED on the left side of the...

  • Page 129: Enabling And Disabling The Backlight Saver

    8.1 Screen and Key Operation Settings Enabling and Disabling the Backlight Saver A backlight saver can be activated after a specified number of minutes during which no operation key is pressed. The backlight saver turns off the backlight of the LCD, prolonging the lifetime of the backlight by turning it off when not needed.

  • Page 130: Selecting The Horizontal (Time) Axis Display

    8.1 Screen and Key Operation Settings Selecting the Horizontal (Time) Axis Display Select the display method for the horizontal axis at the bottom of the screen. 1d2h3m4s 12-07-01 12:10:30 Select from the [Time Disp] setting options. Setting options:( default setting): Time* Displays the time span from the start of measurement.

  • Page 131: Csv File Saving Settings

    8.2 CSV File Saving Settings 8.2 CSV File Saving Settings CSV File Data Decimal and Separator Characters Select decimal point and separator characters for CSV file data. Select from the [Decimal Mark] setting options. Setting options:( default setting) Dot Select the period character. Comma Select the comma character.

  • Page 132: Making System Settings

    8.3 Making System Settings Setting the Date and Time The LR8431-20 is equipped with an auto-calendar, automatic leap year detection, and a 24-hour clock. If the clock is not set to the correct time, measurement start time (trigger time) and file date information will be incorrect.

  • Page 133: Initializing The Memory Hilogger (System Reset)

    8.3 Making System Settings Initializing the Memory HiLogger (System Reset) This procedure resets all settings to their factory defaults. The system is reset by pressing and holding the START/STOP key while turning the Memory HiLogger POWER switch on.  For details about the factory default settings, see Appendix 5, "List of Default Set- tings"...

  • Page 134: Switching The Usb Mode

    Type B USB Communication Logger Utility software from a com- puter (using a USB cable). Read files on a CF card that is con- nected to the LR8431-20 from a Type B USB Drive computer (using a USB cable).

  • Page 135: Self-Test

    8.3 Making System Settings Self-Test The following self tests are available. Results are displayed on the screen. If any faults are found, have the Memory HiLogger repaired. Contact your dealer or Hioki representative.  Select the [System] Screen. Select the self test to...
  • Page 136 8.3 Making System Settings...

  • Page 137: External Control

    9.1 Connecting to the External Control Terminals External  Chapter 9 Control The external control terminals on the Memory HiLogger support trigger signal input and output. Top View ALARM (Output) A signal is output whenever the alarm (common with instrument ground) criteria are satisfied (p.
  • Page 138 9.1 Connecting to the External Control Terminals • The external control ground terminal is not isolated from the Memory HiLogger’s chassis ground. Make certain that there will be no potential difference between the external control ground terminal and the ground of any connected device. Otherwise, the Memory HiLogger or device could be damaged.

  • Page 139: External Trigger Input

    9.2 External Trigger Input 9.2 External Trigger Input Triggering can be controlled by applying a signal from an external trigger source. This allows synchronous operation of multiple Memory HiLoggers by parallel trigger- ing (p. 135). External signal input (EXT.TRIG) Trigger event occurs. Trigger Input Signals Voltage range HIGH level: 3.0 to 5.0 V, LOW level: 0 to 0.8 V...

  • Page 140: External Signal Output (Trigger Output)

    9.3 External Signal Output (Trigger Output) 9.3 External Signal Output (Trigger Output) You can output a signal when a trigger event occurs. This allows synchronous oper- ation of multiple Memory HiLoggers by parallel triggering (p. 135) Pulse wave is output. (TRIG.OUT) Trigger event occurs Trigger Output Signals...
  • Page 141 9.3 External Signal Output (Trigger Output) Signal Output Procedure Connect the external trigger signal destination For the connection and signal ground to external control termi- method (p. 130) nals 2 (TRIG.OUT) and 1 (GND), respectively. Press the key to open the [System] screen.

  • Page 142: Alarm Signal Output (Alarm Output)

    9.4 Alarm Signal Output (Alarm Output) 9.4 Alarm Signal Output (Alarm Output) This signal is output when alarm criteria are satisfied. Specify the desired alarm criteria. See: 4.2, "Alarm Output" (p. 73) Alarm signal output (ALARM) When alarm criteria are satisfied About the Alarm Output Signal Output signal Open-drain output (with voltage output), active LOW...

  • Page 143: Synchronous Measurements With Multiple  Instruments

    9.5 Synchronous Measurements with Multiple Instruments 9.5 Synchronous Measurements with  Multiple Instruments Multiple instruments can be synchronized using the external control terminals. Parallel synchronization EXT.TRIG TRIG OUT Set one instrument to master, and set the others Master to slave. EXT.TRIG TRIG OUT Slave...
  • Page 144 9.5 Synchronous Measurements with Multiple Instruments...

  • Page 145: Chapter 10 Specifications

    Chapter 10 Specifications Chapter 10 Specifications (1) General Specifications Basic Specifications No. of channels 10 analog channels + 4 pulse channels (max.) Standard product configuration. Pulse grounds share common ground with instrument. Internal memory  Total 3.5 MW (mega words) capacity Maximum sampling 10 ms/All channels...
  • Page 146 Chapter 10 Specifications Basic Specifications Power source • Model Z1005 AC Adapter Rated supply voltage 100 to 240 V AC Rated supply frequency 50/60 Hz Anticipated transient overvoltage 2500 V • Model 9780 Battery Pack 3.6 V (Note) The AC Adapter has priority when connected •...
  • Page 147 Chapter 10 Specifications Display Section Backlight On, Off Backlight life span Approx. 10,000 hours (continuously on) Backlight saver  Selectable from on, or auto-off after selectable interval function Backlight brightness Selectable from four levels (100%, 70%, 40%, 25%) External Interfaces USB standard USB2.0 compliant High Speed Connector...
  • Page 148 Chapter 10 Specifications USB flash drive Usable device USB flash drive CF card USB flash drive common functionality Drive-to-drive copying Files and folders can be copied between drives. Measurement Input Section Input terminals M3 screw type terminal block (2 terminals per channel) Pulse inputs use a special connector Measurement object •...
  • Page 149 Chapter 10 Specifications Measurement Input Section Measurement For the range, f.s = 10 V • Voltage: ±0.1% f.s. ( 1-5V • Thermocouple:  accuracy K, J, E, T: (-200C to less than -100C) 1.5C ± (-100C or more) ±1.0C N: (-200C to less than -100C) ±2.2C (-100C or more) ±1.2C...
  • Page 150 Chapter 10 Specifications with 100  maximum signal source impedance Common mode rejection ratio 100dB minimum (with 50 or 60 Hz input and digital filter disabled) 140dB minimum (with 50 Hz input with 5 s recording interval, and 50 Hz digital filter enabled) (with 60 Hz input with 2 s recording interval, and 60 Hz digital filter enabled) Broken wire ...
  • Page 151 Chapter 10 Specifications Basic Specifications Hybrid display  • Simultaneous waveform and gauge display configurations • Waveform display • Simultaneous waveform and numerical value display • Simultaneous numerical value and comment display • Numerical value display • Numerical calculation display (simultaneous calculation results and waveforms) •...
  • Page 152 Chapter 10 Specifications Trigger Section Trigger output Open-collector output (with 5 V output, Active Low) Pulse Width: at least 10 ms You can choose to enable output at trigger activation only or at both trigger activation and measurement start. Trigger input and Push-button terminals output terminals Alarm Output...
  • Page 153 Chapter 10 Specifications Miscellaneous Auto save function Waveform data (real-time), numerical calculation results (after measurement), Power to the instrument must not be interrupted while data is being saved. Real-time saving Saves real-time waveform data to CF card in binary or csv format Each recording length can be save in a separate file Overwriting save is available Up to 3.5 M data points in binary format can be loaded from a spec-...
  • Page 154 Chapter 10 Specifications...

  • Page 155: Maintenance And Service

    Contact your dealer or Hioki representative. The fuse is housed in the power unit of the instrument. If the power does not turn on, the fuse may be blown.
  • Page 156 Customers should not at- be damaged. turn on. tempt to perform parts re- placement and repair. Contact your dealer or Hioki representative for service. A waveform does • Is the "Waiting for pre-trigger" mes- When pre-triggering is sage displayed? not appear when enabled, triggering is ig- •...

  • Page 157: Cleaning

    (p.147) Please purchase a new battery pack. Please contact your dealer or the nearest HIOKI represen- tative.If the HiLogger is not used for more than a month, please remove the battery pack for stor- age.

  • Page 158: Disposing Of The Instrument

    11.3 Disposing of the Instrument 11.3 Disposing of the Instrument The instrument contains a lithium battery for memory backup. When disposing of this instrument, remove the lithium battery and dispose of battery and instrument in accordance with local regulations. Removing the Lithium Battery To avoid electrocution, turn off the power switch and discon- nect the power cord and cables before removing the lithium battery.

  • Page 159: Appendix

    Appendix 1 Error Messages and Remedial Actions Appendix Appendix 1 Error Messages and Remedial Actions Error messages consist of either "Error" or "Warning" displays. A screen message appears whenever an error occurs. In either case, take the remedial action indicated. Error Messages To clear an error message, press the ENTER...
  • Page 160 Appendix 1 Error Messages and Remedial Actions Message Remedial Action The entered numerical value is out of the valid Exceeding the setting range. range. Enter a valid value. When [Type] - [Range] is selected, the mea- Measurement range was surement range is automatically changed to changed.
  • Page 161 Directory full 3. Reformat the removal storage (p.95) If the message persists after performing the above, either the removal storage or HiLogger may be damaged. Contact your dealer or Hioki representative. The removal storage as insufficient space to Not enough capacity save the file.
  • Page 162 If this error occurs while using a good removal (I/O error). storage, the HiLogger may be damaged, in which case contact your dealer or Hioki repre- sentative. File system error (Incorrect file handle) Turn the Memory HiLogger off and back on. ...
  • Page 163 If this error occurs while using a good remov- (failed to recognize the format). able storage, the HiLogger may be damaged, in which case contact your dealer or Hioki repre- sentative. The number of files to be processed exceeds File system error ...
  • Page 164 Appendix 1 Error Messages and Remedial Actions Message Remedial Action File system error (directory error) File system error (invalid file type) File system error (file rename error) File system error Turn the Memory HiLogger off and back on. If the fault persists, perform system reset (p.125). (internal parameter error) File system error...

  • Page 165: Appendix 2 File Naming

    Excel 2007). Larger CSV files can be split by the following methods: • Use a CSV file-splitting program (downloadable for free from Hioki's website). • Before saving, select the [Split Save] saving method in the HiLogger.

  • Page 166: Appendix 3 Text File (Csv) Internal Format

    Appendix 3 Text File (CSV) Internal Format Appendix 3 Text File (CSV) Internal Format Text files consist of header and data portions. The header includes the following information related to measurement data. (1) File name and version, (2) Title comment, (3) Start trigger time, (4) Channel setting row content, (5) Channel setting rows, (6) Data row content, (7) Data rows "File name","WAVE0001.CSV","V 1.00"...

  • Page 167: Appendix 4 Binary File Size Calculation

    Appendix 4 Binary File Size Calculation Appendix 4 Binary File Size Calculation (Byte units) File size = Header size + Data size Header size = Text header size + Binary header size = 512 × (4 + no. of analog channels × 2 + no. of pulse channels × 2  Text header size + no.

  • Page 168: Appendix 5 List Of Default Settings

    Appendix 5 List of Default Settings Appendix 5 List of Default Settings When shipped from the factory or initialized to factory defaults, the settings are as follows. Screen Setting Item Default Setting Screen Setting Item Default Setting Trig& Trig Func Setting Interval 10ms Timing...

  • Page 169: Appendix 6 Maximum Recordable Time

    When saving data in text format (CSV), the maximum recording time is reduced to 1/ 10 of the value indicated in the table or less. (d: days/ h: hours/ min: minutes/ s: seconds) Recording capacity LR8431-20 Interval 9727 9728 9729...

  • Page 170: Appendix 7 Reference

    Appendix 7 Reference Appendix 7 Reference LR8431-20 Measurement Values 16 bits Model LR8431-20 8000 FFFE FFFF 100 mV -OVER -163.835 mV 0.000 mV 163.830 mV OVER -OVER -1.63835 V 0.00000 V 1.63830 V OVER 10 V -OVER -16.3835 V 0.0000 V 16.3830 V...

  • Page 171: Appendix 8 Concerning Noise Countermeasures

    Appendix 8 Concerning Noise Countermeasures Appendix 8 Concerning Noise Countermea- sures Mechanism of Noise Introduction into Thermocouple Temperature Mea- surements What are the sources of noise? Within a factory, power is provided by large current flows at 50/60Hz. The main loads are primarily L loads, such as motors and solenoids;...
  • Page 172 Appendix 8 Concerning Noise Countermeasures Equivalent Circuit of Noise Introduction Path Measurements are directly affected by normal mode voltages from electromagnetical- ly induced noise resulting from electromagnetic coupling into looped instrument input lines by AC magnetic fields produced by inverters and commercial power lines, as well as the capacitive coupling that results from interline capacitance.
  • Page 173 Connecting the chassis GND on the signal side to the instrument chas- When connecting the chassis ground of the LR8431-20 to the chassis ground of the device being tested and then to ground, use a wire that is as short and as thick as possible to bring both pieces of device to equal potential.
  • Page 174 When the instrument is being powered by batteries and the AC adapter is not con- nected, the ground current loop is eliminated, making it possible to reduce the effects of common mode noise. For measurements of short duration, powering the LR8431-20 with batteries is an effective method for eliminating noise. Common Mode Noise Countermeasures...
  • Page 175 GND on the LR8431-20. Note that doing so has no effect if the LR8431-20 is not itself con- nected to ground through the three-prong power cord, etc.
  • Page 176 "+" and "-" input terminals so that the noise does not enter the LR8431-20. When inserting a capacitor, use one with a rated voltage that is equal to or exceeds the input voltage.

  • Page 177: Appendix 9 Using The Application Program

    Memory HiLogger. The application program can be installed from the supplied CD, or you can download the latest version from the Hioki web site. Use the following procedure to install the software on the computer. Verify operating environment compatibility before installing.

  • Page 178: Installing Logger Utility

    Appendix 9 Using the Application Program Installing Logger Utility Follow the procedure below to install Logger Utility. This explanation is for installing the software on Windows XP. The messages displayed may differ slightly depending on other operation system or settings you are using. Important If you are running software such as antivirus software, be sure to end the soft- ware before you start the installation.
  • Page 179 Appendix 9 Using the Application Program In the installer, click [Next] and confirm the installation destination. Click The end user license agreement is displayed. Read the EULA, then select [Agree] [Next] , and click The installation destination folder can be changed on this screen. If you are not changing the instal- [Next] lation destination, click...
  • Page 180 Appendix 9 Using the Application Program Click to start install- [Next] ing. Click Installation starts. Progress is displayed during in- stallation. To interrupt installation in [Cancel] progress, click Click Installation finished...

  • Page 181: Installing The Usb Driver

    Install the driver. • Run [SetupDriver32.msi] in the CD. If [Logger Utility] is already installed, run the CD from the following location. [c:\Program Files\HIOKI\LoggerUtility\Driver\SetupDriver32.msi] If you are using the WindowsVista/7/8 64bit version: • Run [SetupDriver64.msi] in the CD. If [Logger Utility] is already installed, run the CD from the following location....
  • Page 182 Appendix 9 Using the Application Program Click [Next] Start installing. Click Installing. For WindowsXP During the installation, a mes- sage saying that the software has not passed Windows Logo testing will appear a few times, [Continue Anyway] click continue installing. Click...
  • Page 183 Sometimes another dialog box requesting your permission to install the software may ap- “Al- pear. When it does, check 1 Click ways trust software from 2 Click “HIOKI E.E. CORPORA- TION” [Install] and click to con- tinue. When installation is com-...

  • Page 184: Connecting The Memory Hilogger To The Computer With A Usb Cable

    Appendix 9 Using the Application Program Connecting the Memory HiLogger to the Computer with a USB Cable Install the USB driver before you use the instrument with a USB connection. (p. A23) • Do not pull out the USB cable during data transfer. Doing so would prevent proper data transfer.
  • Page 185 Appendix 9 Using the Application Program WindowsXP Connect the instrument and computer with the USB cable. [Found New Hardware Wizard] After the "Found New Hardware" window appears, the dialog box will appear. Check “No, not this time” and click [Next] 1 Click 2 Click Check...
  • Page 186 Appendix 9 Using the Application Program A message saying that the software has not passed Windows Logo testing will appear a few times, click to con- [Continue Anyway] tinue installing. Click When installation is com- plete, the next dialog will appear.

  • Page 187: Starting And Ending Logger Utility

    Appendix 9 Using the Application Program Starting and Ending Logger Utility Starting Logger Utility From the Start Menu of Windows, click [All Programs] [HIOKI] [Logger Utility] [Logger Utility]. Click Click Logger Utility starts with the settings in the same state as when the software was last ended.

  • Page 188: Appendix 10Frequently Asked Questions

    Appendix 10 Frequently Asked Questions Appendix 10 Frequently Asked Questions Here are some common questions and answers about the HiLogger. Installation and Settings Question Remedial Action Reference page How to measure the tempera- The instrument provides this func- Precautions in 2.3, tionality.
  • Page 189 Appendix 10 Frequently Asked Questions Question Remedial Action Reference page Can recording resume auto- Enable Auto Resume. Recording will "Using the Auto-Re- automatically resume after a power sume Function (Re- matically after a power outage? outage. sume After Power Because data measured before the Restoration)"...

  • Page 190: Triggering

    Appendix 10 Frequently Asked Questions Question Remedial Action Reference page When connecting a thermo- Select INT when connecting a ther- "Temperature Mea- mocouple (or compensating leads) surement Settings" couple directly to the HiLog- directly to the HiLogger. (p.51) ger, should reference junction Overall measurement accuracy is compensation be set to exter- the sum of the accuracies of the...

  • Page 191: Measuring

    Appendix 10 Frequently Asked Questions Question Remedial Action Reference page How can I acquire data contin- Set as follows: 3.3, "Setting Configu- Measurement Criteria ration 1 – Recording uously starting on 1/4/2012, [Interval] [Cont] : Off, 8 hr 0 min 0 s Settings"...

  • Page 192: Data Saving

    Hioki-specified CF card option for drive" (p.93) data protection. Operation can only be guaranteed for Hioki CF card op- tions. Also, USB flash drive security features such as fingerprint authen- tication are not supported. Use a USB flash drive whose continuous current consumption does not ex- ceed 300 mA (peak 500 mA).
  • Page 193 Adapter connected, waveform data I did not use auto saving to re- will be backed up to the instrument's movable storage. internal memory. For the LR8431-20 with a fully charged 9780 Battery Pack, the waveform backup time is 100 hours.
  • Page 194 Appendix 10 Frequently Asked Questions Question Remedial Action Reference page If the power goes out while If the power goes out during real- 2.1, "Using the Bat- time save operation, the data on the tery Pack (Option)" measurement is in progress, is CF card may be corrupted.
  • Page 195 Appendix 10 Frequently Asked Questions Question Remedial Action Reference page How to view data saved in bi- The Logger Utility PC application "Appendix 9 Using program is included on the supplied the Application Pro- nary format on a PC? CD. Install it on the PC and use it to gram"...

  • Page 196: Logger Utility

    If the above procedure cannot be used to estab- lish communications, uninstall the USB driver by deleting "HIOKI 8423, 8430, LR8400 USB Driver" or "HIO- KI Logger USB Driver" on the "Add or Remove Programs" screen under "Control Panels."...

  • Page 197: Appendix 11Pulse Input Circuit Diagram

    Appendix 11 Pulse Input Circuit Diagram Appendix 11 Pulse Input Circuit Diagram The following diagram illustrates an example connection to the instrument's pulse input circuit: Instrument ALARM pin circuit architecture and example relay connection 100 k 100 k 150 pF...
  • Page 198 Appendix 11 Pulse Input Circuit Diagram...

  • Page 199: Index

    Index Index Index Number Cursor values ........... 84 Cursors 0 pos ............56 Move ............85 4-20 mA ............. 32 Decimal Mark .......... 123 A/B cursors ..........85 Default setting ........A 10 Alarm ............67 Deleting (for saving data) ......47 Alarm Output ........73 Display Color...
  • Page 200 Index Index Before Returning for Repair ....148 Repeat ............45 Revolution Measurement ......54 Keys do not work.........148 ............51 KEY LOCK .......... 16 ROM/RAM ..........127 KEY/LED ..........127 Save ............127 Auto Save ..........96 Length (Segment length) ......47 Calc Results ........
  • Page 201 Index Index Uninstalling ..........A 29 USB cable ........111 A 26 USB Drive Mode ........110 USB driver ........A 19 A 23 USB flash driver Copy ............. 108 USB mode ..........126 Values ............21 Vertical cursors ......... 84 Voltage Measurement ......
  • Page 202 Index Index...

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