Table of Contents
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Introduction ............................................................... 1
Inspection.................................................................. 1
Safety Notes ............................................................. 2
Operating Precautions .............................................. 5
1.1
Product Overview ...................................... 11
1.2
Features .................................................... 13
1.3
Names and Functions of Parts .................. 14
1.4
Quick Reference........................................ 21
2.1
Attaching the Strap .................................... 26
2.2
Installing the Batteries ............................... 27
2.3
Connecting the AC Adapter....................... 29
2.4
SENSOR ................................................... 30
2.5
Terminal .................................................... 34
2.6
Connecting to Ground ............................... 36
2.7
Turning the Power On/Off ......................... 38
2.8
Connecting the Earphone.......................... 40
2.9
Terminal .................................................... 41
Contents
Voltage Sensor Input Terminal....... 30
Line being Measured...................... 32
Contents
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Summary of Contents for Hioki 3144-20
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Page 1: Table Of Contents
Contents Contents Introduction ............... 1 Inspection..............1 Safety Notes ............. 2 Operating Precautions ..........5 Chapter 1 Overview Product Overview ........11 Features ............ 13 Names and Functions of Parts ....14 Quick Reference........21 Chapter 2 Measurement Preparations Attaching the Strap ........26 Installing the Batteries ....... - Page 2 Contents Chapter 3 Setup and Measurement Sample Measurement ....... 43 Monitoring Measurement Data [MONI] ..48 Recording Data [REC]....... 50 Deleting Memory ........53 Viewing Recorded Data [VIEW] ....54 Setting Date and Time ......55 Chapter 4 Analysis of Recorded Data General .............
- Page 3 Contents Error Indications and Corrective Action ... 105 System Mode .......... 106 Instrument Disposal......... 111...
- Page 4 Contents...
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Page 5: Introduction
Introduction Introduction Thank you for purchasing the HIOKI "Model 3144- 20 NOISE SEARCH TESTER." To obtain maxi- mum performance from the instrument, please read this manual first, and keep it handy for future reference. Registered Trademarks: Windows and Excel are registered trademarks of Microsoft Corporation in the United States and/or other countries. -
Page 6: Safety Notes
Safety Notes Safety Notes This instrument is designed to comply with IEC 61010 Safety Standards, and has been thoroughly tested for safety prior to ship- ment. However, mishandling during use could result in injury or death, as well as damage to the instrument. Be certain that you understand the instructions and precau- tions in the manual before use. - Page 7 Safety Notes Symbols in Use The following symbols in this manual indicate the relative importance of cautions and warnings. Indicates that incorrect operation presents an extreme hazard that could result in serious injury or death to the user. Indicates that incorrect operation presents a sig- nificant hazard that could result in serious injury or death to the user.
- Page 8 Safety Notes Measurement categories (Overvoltage categories) The 3144-20 NOISE SEARCH TESTER complies with CAT I safety requirements. The 9741 CLAMP ON VOLTAGE SENSOR complies with CAT III 200 V safety requirements. To ensure safe operation of measurement instruments, IEC 61010 establishes safety standards for various electrical en- vironments, categorized as CAT I to CAT IV, and called mea- surement categories.
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Page 9: Operating Precautions
SENSOR is undamaged and that no bare con- ductors are improperly exposed. Using the instrument in such conditions could cause an electric shock, so contact your dealer or Hioki representative for repair. Installation, Operating Environment, and Handling of the Instrument •... - Page 10 Operating Precautions Operating Environment Observe the following to avoid damage to the instrument. • Installation and Operating Environment Between 0°C and 40°C; 80% RH or less; indoors only. • Do not store or use the instrument where it could be exposed to direct sunlight, high temperature or humidity, or condensation.
- Page 11 Operating Precautions • To avoid corrosion from battery leakage, remove the batteries from the product if it is to be stored for a long time. • Adjustments and repairs should be made only by technically qualified personnel. • If the protective functions of the product are damaged, either remove it from service or mark it clearly so that others do not use it inadvertently.
- Page 12 • The voltage sensor input terminal of the instrument is dedicated to the 9741 CLAMP ON VOLTAGE SENSOR. Be sure to use the 9741 sensor specified by HIOKI. Keep in mind that using any other type of sensor may result in electric shock or mal- function.
- Page 13 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-R, or for any problem related to the purchase of a Hioki product.
- Page 14 Operating Precautions...
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Page 15: Chapter 1 Overview
The 3144-20 NOISE SEARCH TESTER can search for noise frequency bands and routes of penetration by simply clamping the 9741 CLAMP ON VOLTAGE SENSOR to the line being mea- sured. - Page 16 Chapter 1 Overview Penetrates directly Cell phone 3144-20 Penetrates through communication lines Main unit Extension line Communi- cation lines Lighting apparatus Power supply Home appliances lines Penetrates through power Penetrates through supply lines ground wires Noise sources: There are many noise sources, such as power transmission lines, electric railways, inverter units, and CB radios.
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Page 17: Features
Chapter 1 Overview 1.2 Features Noncontact type of voltage sensor Searches for noise in a system in operation, with- out affecting circuits currently in communication or damaging cables. Measuring frequency band range: 500 Hz to 30 MHz Covers a wide band ranging from noise on power transmission lines to that of CB radios. -
Page 18: Names And Functions Of Parts
Chapter 1 Overview 1.3 Names and Functions of Parts 3144-20 NOISE SEARCH TESTER Front Protective cover Protective cover for the voltage sen- sor input terminal, BNC input termi- LCD display nal, and output ter- minal. ❖ page 17 When not using... - Page 19 Chapter 1 Overview Voltage sensor input terminal Connect the supplied 9741 CLAMP ON VOLTAGE BNC input terminal SENSOR here. ❖ Input terminal for page 30 external signals, excluding signals from the 9741. Effective when the instrument is not connected to the 9741.
- Page 20 Chapter 1 Overview Right Side Left Side Protective cover (when fastened) Strap hole ❖ page 26 Earphone terminal Audible band monitoring output terminal. Plug in the earphone used to listen to noise here. ❖ page 40 Volume control knob Regulates the sound vol- ume of the earphone.
- Page 21 Chapter 1 Overview Display Section Indicates the frequency range at peak detection, with Frequency range the PEAK HOLD function Scale indication indication [In decibels (dBV)] Level meter (indicates for each frequency range in 12 steps). Indicates when noise is de- tected.
- Page 22 Chapter 1 Overview Operation Keys Explanation (The functions of keys vary, depending on Press for 1 sec. the settings made.) RANGE key Selects the measuring range (on the monitoring screen [MONI] with the PEAK HOLD function OFF.) Selects the frequency range corre- sponding to the peak detection time to be indicated (with the PEAK HOLD function ON).
- Page 23 Chapter 1 Overview DATE/TIME Switches the current indication to a date or time (on the monitoring screen [MONI] with the PEAK HOLD function OFF). DATE/TIME Enables date and time setup. Press for 1 sec. Selects the frequency range corre- sponding to the peak detection time to be indicated (with the PEAK HOLD function ON).
- Page 24 Chapter 1 Overview 9741 CLAMP ON VOLTAGE SENSOR Pressing the lever opens the clamp Clamp section section. ❖ page 32 Lever Connector ❖ page 30 Ground terminal ❖ page 36...
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Page 25: Quick Reference
Chapter 1 Overview 1.4 Quick Reference [MONI]: Monitoring screen/ [REC]: Recording screen/ [VIEW]: Data view screen Measuring Range (On [MONI] with the PEAK HOLD function OFF) Switching of range Date and Time Indication (On [MONI] with the PEAK HOLD function OFF) DATE Switching of Date indication... - Page 26 Chapter 1 Overview Data Saving Method (On [MONI]) When memory be- comes full, new data is Save by CONT written over old data to overwriting Lights. Press for continue recording. 1 sec. (CONT remains on.) When memory be- comes full, recording Save without stops automatically.
- Page 27 Chapter 1 Overview Peak Value Indication (PEAK HOLD function) (On [MONI] or [REC]) Activating the PEAK Lights. HOLD func- tion Selecting the frequency range to be Indicates the peak value of indicated the range in which lighting, and the detection (Effective only time.
- Page 28 Chapter 1 Overview...
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Page 29: Chapter 2 Measurement Preparations
Chapter 2 Measurement Preparations Measurement Chapter 2 Preparations Please read the "Operating Precautions" (page 5) before setting up this instrument. Install the batteries. Connect the AC ❖ page 27 adapter. Connect to the ❖ page 29 output terminal. Connect to the BNC ❖... -
Page 30: Attaching The Strap
If insecurely attached, the instrument may fall and be damaged when carrying. 3144-20 Attach the two rings of the strap to the respective loca- tions in the 3144-20. Tighten the strap suffi- ciently to prevent loos- ening or twisting. -
Page 31: Installing The Batteries
Chapter 2 Measurement Preparations 2.2 Installing the Batteries The instrument operates on battery power or AC through the adapter. When using the AC adapter and batteries together, AC adapter power is employed. When powering the instrument using the batteries, the operating time is as follows: About five hours when indications are shown on the monitoring screen [MONI] (Ambient temperature: 23°C, reference value) - Page 32 Tool required for installation: Six LR6 alkaline batteries , Phillips-head screwdriver Make sure that the POWER 3144-20 switch of the 3144-20 is OFF and disconnect all cables. Turn over the 3144-20, then loosen the setscrew to detach the battery cover.
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Page 33: Connecting The Ac Adapter
AC power. To avoid damaging the power cord, grasp the plug, not the cord, when unplugging it from the power outlet. Right side of the 3144-20 Connect the output plug of the AC adapter to the AC adapter connection terminal. -
Page 34: Connecting The 9741 Clamp On Voltage Sensor
The voltage sensor input terminal of the instrument is dedicated to the 9741 CLAMP ON VOLTAGE SENSOR. Always use the 9741 as designated by HIOKI. Keep in mind that connecting any other type to the terminal could result in electric shock or malfunction. - Page 35 Chapter 2 Measurement Preparations Top side of the 3144-20 Voltage sensor input terminal Tip of the 9741's connector Insert the connector by aligning its protrusion with the groove of the voltage sensor input terminal. Plug in the 9741 CLAMP ON VOLTAGE SENSOR.
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Page 36: Connecting The Instrument To The Line Being Measured
2.4.2 Connecting the Instrument to the Line being Measured The 9741 CLAMP ON VOLTAGE SENSOR should first be plugged into the 3144-20 before being connected to the live line being measured. To avoid short-circuiting or elec- tric shock, observe the precautions below. - Page 37 Chapter 2 Measurement Preparations Due to the principles of measurement, the detect- ing sensitivity of the 9741 varies with the diameter of the cable to be measured, cable position inside the clamp, permittivity of the cable covering, and other factors. See the typical characteristics data for the relationship between the diameter of cable being measured and the sensitivity, and between the cable position inside the clamp and the sensi-...
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Page 38: Connecting Signals To The Bnc Input Terminal
Chapter 2 Measurement Preparations 2.5 Connecting Signals to the BNC Input Terminal Note the following maximum input voltage and maximum rated voltage to earth of the BNC input terminal. If their voltages are exceeded, this device will be damaged and personal injury will result. - Page 39 Chapter 2 Measurement Preparations Top side of the 3144-20 BNC input terminal Plug the BNC connector into the BNC input terminal. Use the selector switch to select the input impedance (50Ω/ 1MΩ, approx. 120 pF). Selector switch Plugging in and unplugging the BNC connector...
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Page 40: Connecting To Ground
Chapter 2 Measurement Preparations 2.6 Connecting to Ground Connect the ground terminal of the 9741 CLAMP ON VOLTAGE SENSOR or 3144-20 NOISE SEARCH TESTER to ground. The noise detected when using the 9741 is that in a common mode which exists between communi- cation lines/power supply lines and the earth. - Page 41 Chapter 2 Measurement Preparations Connecting the 3144-20 NOISE SEARCH TESTER Required tools: Ground wire, flat-tip screwdriver About ground wires • Applicable wires Solid wire: 0.4 mm (AWG26) to 1.2 mm (AWG16) in dia. Stranded wire: 0.3 mm (AWG22) to 1.25 mm (AWG16) in dia.
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Page 42: Turning The Power On/Off
Connection to an improper supply voltage may damage the instrument and present an electrical hazard. Left side of the 3144-20 Switching the power on: Turn on the POWER switch. The screen will appear. - Page 43 Chapter 2 Measurement Preparations The following are indicated on the screen when power is turned on: POWER switch turned ON Model indicated Date indicated Time indicated Data memory checked Monitoring screen The checking time for data memory varies depending on the contents of memory.
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Page 44: Connecting The Earphone
It can be used as an aid, for example, in identifying the type of noise signal. Right side of the 3144-20 Plug the earphone into the earphone terminal. Insert the plug securely as far as it will go. -
Page 45: Connecting Signals To The Output Terminal
The instrument outputs the waveform of a detected noise signal. This terminal can be used to check a detected sig- nal by its waveform. Top side of the 3144-20 Output terminal Connect this to the input ter- minal of an oscilloscope or... - Page 46 Chapter 2 Measurement Preparations...
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Page 47: Chapter 3 Setup And Measurement
• Data storage: Saved in internal memory. • Measuring conditions: Range x1 Recording interval: 1 min. Equipment to be prepared： • 3144-20 • 9445-02 or 9445-03 AC ADAPTER • 9741 CLAMP ON VOLTAGE SENSOR • USB cable • Others (PC, PC software, ground wire, tools) - Page 48 Connect the 9741 CLAMP ON 9741 VOLTAGE SENSOR to the volt- age sensor input terminal of the instrument. 3144-20 Connect the ground wire to the ground terminal of the instru- ment. Connect the ground wire to ground.
- Page 49 Chapter 3 Setup and Measurement Setting up recording conditions Set up the parameters according to the intended mea- surement. Check the current time, then set the date and time. ❖ 3.6, "Setting Date and Time" (page 55) Set the range to ×1. Set the recording interval to one minute.
- Page 50 Chapter 3 Setup and Measurement Recording in progress Peak Hold can be indicated, as required. ❖ "Activation/deactivation of PEAK HOLD function" (page 48) Stopping data recording Press this key once again for 1 sec. to stop recording. Remove the 9741 CLAMP ON VOLTAGE SENSOR from the ADSL circuit.
- Page 51 ❖ 4.2, "Installation" (page 58) Transfer recorded data from the 3144-20 to the PC. ❖ 4.4, "Transferring Data to the PC" (page 73) Display time-series data in waveforms and check the noise level, peak value, peak detection time, etc., corre-...
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Page 52: Monitoring Measurement Data [Moni]
Chapter 3 Setup and Measurement 3.2 Monitoring Measurement Data [MONI] When the instrument is switched on, the monitor- ing screen appears (MONI lights), indicating the voltage levels of various frequency ranges on the level meter. Selection of range ________________________ Select the range for the input voltage. Each pressing of the RANGE key changes the... - Page 53 PC. For this reason, if data was acquired in overwrite recording mode, the 3144-20 and PC software may indicate different peak values and detection times. • When there are multiple peak values, the time of the peak value detected first will be indicated.
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Page 54: Recording Data [Rec]
Chapter 3 Setup and Measurement 3.3 Recording Data [REC] Pressing the REC key on the monitoring screen [MONI] for 1 sec. displays the recording screen (REC lights), and the instrument starts recording measurement data in memory at the preset interval. Two recording modes are available. - Page 55 Chapter 3 Setup and Measurement Setup before recording ____________________ Make the following settings before starting record- ing (on the monitoring screen [MONI]). Once recording gets under way, the settings cannot be changed, except the ON/OFF setting of the peak value indication, until the recording is stopped. Set the current time and measuring con- ditions.
- Page 56 Chapter 3 Setup and Measurement Start of recording ________________________ Press the key for 1 sec. The recording screen [REC] opens. (REC lights.) The occupied state of memory is displayed on the screen. End of recording _________________________ Press the key again for 1 sec. (REC goes off.) The instrument stops recording and returns to the monitoring screen [MONI].
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Page 57: Deleting Memory
Chapter 3 Setup and Measurement 3.4 Deleting Memory All recorded data is deleted. Before deleting recorded data, download the necessary data to the ❖ 4.4, "Transferring Data to the PC" (page 73) Press these keys simul- taneously for 1 sec. The following window appears: Recorded data can be deleted through monitoring screen [MONI] or data view screen [VIEW]. -
Page 58: Viewing Recorded Data [View]
Chapter 3 Setup and Measurement 3.5 Viewing Recorded Data [VIEW] Open the data view screen [VIEW]. Press the RANGE key and DATE/TIME key simul- taneously on the monitoring screen [MONI] to open the data view screen [VIEW]. (VIEW lights.) If there is no data stored in memory, an error (E_NULL) will be displayed. -
Page 59: Setting Date And Time
Chapter 3 Setup and Measurement 3.6 Setting Date and Time Set the current date and time on the 3144-20. Once saved, the date and time will be stored on the 3144-20. When the instrument is connected to a PC through the USB cable, the time of the PC's system clock can also be set using the supplied PC software. - Page 60 Chapter 3 Setup and Measurement Define the setting. Move the flashing position to second digit, then press the PEAK HOLD key again to define the set- ting. Operation returns to the monitoring screen [MONI]. Cancellation of settings Pressing either key shown at left before defining the set- tings will cancel the settings, and return operation to the...
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Page 61: Chapter 4 Analysis Of Recorded Data
Chapter 4 Recorded Data (Application Software) 4.1 General Data recorded on the 3144-20 can be downloaded to a PC and analyzed using the PC software sup- plied with the instrument. To download data from the 3144-20, you must install the driver and application of the PC software on the PC beforehand. -
Page 62: Installation
Multiple 3144-20 units cannot be connected to the PC at a time. • When a 3144-20 unit with a different serial No. is connected, the instrument may indicate that a new device has been detected. In such case, install the device driver by following the instruc- tions appearing on the screen. - Page 63 Chapter 4 Analysis of Recorded Data The "Found New Hardware Wizard" requires dif- ferent procedures depending on the OS. Insert the CD-R into the PC according to instruc- tions given in the dialog box, then install the driver. The following describes how to install the driver for each type of OS.
- Page 64 Chapter 4 Analysis of Recorded Data Click the [Continue Anyway] button. Clicking the button initiates copying of the file. When this software is recognized, the screen will display a message stating that the software is not authorized by Microsoft. Ignore the message and continue operation.
- Page 65 Chapter 4 Analysis of Recorded Data For Windows 2000 ________________________ When the "Found New Hardware Wizard" window appears, click the [Next] button. Insert the CD-R supplied with the instrument into the CD-ROM drive. Check "Search for a suitable driver for my device,"...
- Page 66 Chapter 4 Analysis of Recorded Data Check "CD-ROM drives" (thus deselecting the other items), then click the [Next] button. Click the [Next] button.
- Page 67 Chapter 4 Analysis of Recorded Data Click the [Finish] button. When the "Add New Hardware Wizard" window closes, remove the CD-R from the CD-ROM drive. For Windows Me__________________________ Insert the CD-R supplied with the instrument into the CD-ROM drive. The "Add New Hardware Wizard" window appears.
- Page 68 Chapter 4 Analysis of Recorded Data Check "Automatic search for a better driver," then click the [Next] button. Click the [Finish] button. When the "Add New Hardware Wizard" window closes, remove the CD-R from the CD-ROM drive.
- Page 69 Chapter 4 Analysis of Recorded Data For Windows 98 __________________________ When the "Add New Hardware Wizard" window appears, click the [Next] button. Check "Search for the best driver for your device," then click the [Next] button. Insert the CD-R supplied with the instrument into the CD-ROM drive.
- Page 70 Chapter 4 Analysis of Recorded Data Check "CD-ROM drive" (thus deselecting the other items), then click the [Next] button. Click the [Next] button. Clicking the button initiates copying of the file.
- Page 71 Chapter 4 Analysis of Recorded Data When the following window subsequently appears, click the [Finish] button. When the "Add New Hardware Wizard" window closes, remove the CD-R from the CD-ROM drive. If you need to install software, see 4.2.2, "Installing software"...
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Page 72: Installing Software
Chapter 4 Analysis of Recorded Data 4.2.2 Installing software Close all currently active applications on the PC. Insert the CD-R HIOKI Data Viewer for 3144-20 supplied with the instrument into the CD-ROM drive. Open the folder [English] included on the CD-R, then execute Setup.exe. - Page 73 Chapter 4 Analysis of Recorded Data To set up the installing destination: Select [Custom] and click [Next]. Click [Change] in the "Custom Setup" window, then specify the installing destination folder. To install by default: Select [Complete] and click [Next]. Click [Install].
- Page 74 [Start] menu of Windows to activate the applica- tion. Uninstallation Select [Setup] - [Control Panel] from the [Start] menu, then click [Add/Remove Programs]. Select "HIOKI Data Viewer for 3144-20," then click [Remove] or [Change/Remove]. Uninstall the program by following the procedure appearing on the screen.
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Page 75: Setting The Clock
Chapter 4 Analysis of Recorded Data 4.3 Setting the Clock The clock of the 3144-20 can be set to the same date and time as the PC. Switch on the 3144-20 and activate "DATA VIEWER for 3144-20." Connect the 3144-20 and PC by using the USB cable supplied with the instrument (and insert the plugs securely). - Page 76 Chapter 4 Analysis of Recorded Data Left-click the mouse button on [OK]. When the following window appears, click [OK], disconnect the USB cable from the 3144-20 and PC, then switch off the 3144-20. • Dates are valid for the year 2000 and subse- quent years.
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Page 77: Transferring Data To The Pc
The procedure is the same as that for "4.3, "Set- ting the Clock" (page 71). • Only one 3144-20 unit can be connected to the PC at a time. • Recorded data cannot be transferred while the instrument is still recording. - Page 78 Chapter 4 Analysis of Recorded Data A listing of files contained in memory of the 3144- 20 will appear in the "3144-20 Data list" window. Item on Screen Explanation All data recorded on the 3144-20 is trans- Transfer all ferred to the PC.
- Page 79 • To transfer all data: Left-click the mouse button on [Transfer all]. All data recorded on the 3144-20 is transferred to the PC. • To transfer selected data: Select the file to be transferred by checking the check box located to the left of the file No., then click [Transfer].
- Page 80 Save the recorded data that has been transferred. ❖ (page 77) Delete any recorded data remaining on the 3144- 20 that is no longer necessary. ❖ (page 77) Disconnect the USB cable from the 3144-20 and PC, then switch off the 3144-20.
- Page 81 Execute saving on all waveform windows dis- played. The files are saved in CSV format, delimited with commas. Deleting data recorded on the 3144-20 _______ Delete all data recorded on the 3144-20 that is not necessary. Select [Communication] - [Data transfer] from the menu bar of "DATA VIEWER for 3144-20,"...
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Page 82: Analyzing Recorded Data On The Pc
• The operation above is not necessary when waveform windows are currently displayed, such as immediately after data transfer has been made from the 3144-20 to the PC. • Waveforms may not be shown in waveform win- dows that are overly reduced. In such case,... - Page 83 Chapter 4 Analysis of Recorded Data Explanation of Windows Waveform Window ________________________ ❖ "Menu" (page 81) 1 Menu bar ❖ 2 Toolbar "Toolbar" (page 83) 3 Level (Vertical axis) Indication in dBV 4 Date and time (Horizontal axis) 5 Display range Indicates the range within which wave- forms are displayed among all data.
- Page 84 1 File name 2 Settings for Settings of a recording performed with the recording 3144-20 3 Cursor position Positions (dates and times) of cursors A and B in the waveform window. The Up and Down buttons located to the right allow cor- responding cursor movement right and left.
- Page 85 Chapter 4 Analysis of Recorded Data Menu File Open Selects a file and opens a waveform window. Close Closes the waveform window currently open. Saves the recorded data currently open to an- Save As other file. Prints waveforms. Print ❖ 4.7, "Printing a Waveform Window"...
- Page 86 Transfers recorded data from the 3144-20 to a Data transfer ❖ 4.4, "Transferring Data to the PC" (page 73) Sets the clock of the 3144-20 to the same time as the PC. Clock setting ❖ 4.3, "Setting the Clock" (page 71)
- Page 87 Display a graph in a Enlarge vertical axis split form. Enlarges the vertical axis of a graph. Transfer Transfers recorded Reduce vertical axis data from the 3144-20 Reduces the vertical to a PC. axis of a graph. Clock Sets the clock of the 3144-20.
- Page 88 Chapter 4 Analysis of Recorded Data Popup Menu Right-clicking the mouse button in a waveform window displays the Popup Menu. Performs the same function as [Edit] - [Copy] on Copy the menu. Performs the same function as [View] - [En- Zoom In large] on the menu.
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Page 89: Saving Images Of Waveform Windows
Chapter 4 Analysis of Recorded Data 4.6 Saving Images of Waveform Windows The waveform windows and information windows can be saved in bit maps. Activate (display on top of the others) the wave- form window to be saved. Select [Edit] - [Save Image] - [Graph and... -
Page 90: Printing A Waveform Window
Chapter 4 Analysis of Recorded Data 4.7 Printing a Waveform Window Waveform images of the recorded data currently displayed can be output to the printer of a PC. Make sure that the printer connected to the PC in use is ready to print. Select [File] - [Print Settings] -... - Page 91 Chapter 4 Analysis of Recorded Data • The image printed out may differ depending on the type of printer used. • If excessively large margins are set, printing may be inhibited. In such case, set smaller margins. Likewise, printing may be inhibited when a paper size too small is selected.
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Page 92: Analyzing Saved Recorded Data With Excel
Chapter 4 Analysis of Recorded Data 4.8 Analyzing Saved Recorded Data with Excel The recorded data transferred to and saved on a PC can be loaded to Excel. • Note that data edited with Excel and saved may not be opened with "DATA VIEWER for 3144- 20."... -
Page 93: Error Information
Replace the batteries of the 3144-20 with new ones. Recording was stopped due to frequent errors Stop By Memory that occurred in 3144-20 memory. The error is Error related to flash memory of the 3144-20. The 3144-20 must be repaired. - Page 94 Chapter 4 Analysis of Recorded Data 2. Errors arising from the 3144-20 or USB Error Description Error involving abnormal end due to power Header Memory outage, etc., during data recording, or error Error arising from USB data reception. Check the...
- Page 95 Chapter 4 Analysis of Recorded Data 2. Errors arising from the 3144-20 or USB Error Description Error in the data count at USB data reception. Data Number There is a discrepancy between the number Error of data items actually received and the data count information.
- Page 96 Chapter 4 Analysis of Recorded Data...
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Page 97: Chapter 5 Specifications
Chapter 5 Specifications Chapter 5 Specifications 5.1 Main Unit Specifications General Specifications Input terminal dedicated to the 9741. Configuration of BNC input terminal (with priority given to input section the 9741) • Input dedicated to the 9741: 50 Ω±10% (100 kHz) •... - Page 98 Chapter 5 Specifications Detection method Effective value conversion 500 Hz to below 1 MHz: ±1.5 dBV Detection accuracy 1 MHz to 30 MHz: ±2.0 dBV (BNC input terminated at 50 Ω) Measuring Functions 1. Monitoring function The measuring voltage level of each frequency range is dis- played in levels on an LCD (equivalent to 2.5 dBV/SEG).
- Page 99 Chapter 5 Specifications Recording Time (When using AC adapter) Automatic Stopping Overwrite Recording Mode Mode (CONT) Recording Interval Guaranteed Minimum Max. Recording Time Recording Time 1 second 17.7 hours 15.5 hours 2 seconds 1.4 days 1.2 days 5 seconds 3.7 days 3.2 days 10 seconds 7.4 days...
- Page 100 Chapter 5 Specifications 4. PEAK HOLD function The peak value and the peak detection time of each frequency range are displayed by the monitoring function, logging function, or data display function. (Only peak values are displayed when using the data display function.) 5.
- Page 101 23°C as reference value) Communicating functions Description of com- Data recorded in internal memory of the munication 3144-20 is transferred to a PC. Interface USB Ver1.1 Ancillary functions mark appears when the supply Battery life warning voltage drops below 6.5 V.
- Page 102 Chapter 5 Specifications Operating tempera- 0 to 40°C (32 to 104°F), 80%RH or less ture and humidity (non-condensating) Storage tempera- -10 to 50°C (14 to 122°F), 80%RH or less ture and humidity (non-condensating) Operating environ- Indoors, altitude up to 2000 m (6562-ft.) ment Safety: EN61010-1:2001...
- Page 103 Chapter 5 Specifications Application Software Supplied with Instrument • Indication of data list • Data download • Indication of time-series data in wave- forms • Indication of peak values and peak Functions detection times • Enlarging and reducing functions • Pasting to the Clipboard •...
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Page 104: Clamp Specifications
Cord length Approx. 1 m (39.37") Functional ground Provided terminal ±5 V (Supplied through connection to the Supply voltage 3144-20) Maximum rated 0.5 VA max power Operating tempera- 0 to 40°C (32 to 104°F), 80%RH or less ture and humidity... - Page 105 Chapter 5 Specifications Safety EN61010-1:2001 Pollution degree 2 Measurement Category III, Applicable (anticipated transient overvoltage 4000 V) Standards EN61326:1997+A1:1998+A2:2001 Approx. 62W × 158H × 40D mm Dimensions and (2.44"W× 6.22"H×1.57"D) Mass Approx. 260 g (9.2 oz.) Temperature and 23±5°C (73±9°F), 80%RH or less (non- humidity for guaran- condensating) teed accuracy...
- Page 106 Chapter 5 Specifications Figure 2. Fluctuation of Sensitivity due to Conductor Position Y-Direction X-Direction Distance between Conductor and Clamp Center [mm] in X-Direction Distance between Conductor and Clamp Center [mm] in Y-Direction (Input voltage 1 V)
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Page 107: Chapter 6 Maintenance And Service
Chapter 6 Maintenance and Service Maintenance and Chapter 6 Service 6.1 Battery Replacement • Before replacing the batteries, turn off the POWER switch and disconnect the cables to prevent accidents involving electric shock. • After replacing the batteries, replace the cover and screws before using the instru- ment. -
Page 108: Cleaning And Storage
Include cushioning material so the instrument cannot move within the package. Be sure to include details of the problem. Hioki can- not be responsible for damage that occurs during shipment. - Page 109 Other error Some sort of malfunction is suspected. Conduct self-tests (see 6.5, "System Mode" (page 106)). If the above does not clear the error indication, contact your dealer or Hioki representative. To clear the error indication, press any key.
- Page 110 Chapter 6 Maintenance and Service 6.5 System Mode In System Mode, you can display information (pro- gram version, serial No.), check indications, con- duct self-tests (ROM, data memory), and forcibly delete data memory. Activating System Mode Turn the power on by pressing the RANGE key and...
- Page 111 Chapter 6 Maintenance and Service Displaying the program version Press The program version is displayed. Displaying the serial No. Press The 6 high-order digits of the serial No. are dis- played. Press again. The 3 low-order digits of the serial No. are dis- played.
- Page 112 Chapter 6 Maintenance and Service Checking indications on the LCD screen Press Each pressing of the key switches indications in the following order: Screen that appears when System Mode is activated All off...
- Page 113 Chapter 6 Maintenance and Service Checking memory ROM check: Press the RANGE key and DATE/ TIME key at the same time. Indication during execution Indication at the end Normal Abnormal (Repair required) When the memory check results in normal, the function will check data memory next.
- Page 114 Chapter 6 Maintenance and Service Initializing data memory Discard the data and initialize memory. Press the REC INTER- key at the same time. Indication during execution Indication at the end Normal indication) Abnormal (Repair required) When data memory is initialized, all data contained in data memory will be discarded.
- Page 115 Chapter 6 Maintenance and Service 6.6 Instrument Disposal This instrument contains a lithium battery for sys- tem backup. To avoid electrocution, turn off the power switch and disconnect the AC adapter before removing the lithium battery. • If the protective functions of the instrument are damaged, either remove it from service or mark it clearly so that others do not use it inadvert- ently.
- Page 116 Chapter 6 Maintenance and Service Turn off the POWER switch, Required tools then remove the AC Adapter and batteries. • Phillips screwdriver 1 • Wire cutter 1 Turn over the instrument, then remove the four screws fastening the lower case. Remove the lower case and USB cover.
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