Tonghui Electronic TH9310 Series User manual

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TH9310/20 Series
AC/DC Withstanding Voltage/
Insulation Resistance Tester
Operation Manual
Tonghui Electronic Co.,Ltd.
www.tonghui.com.cn

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Manual Printing History
The manual printing data and part number indicate its current edition. The
printing date changes when a new edition is printed. The manual part number
changes when extensive technical changes are incorporated.
TH9310/20 Series Operation Manual…………………………….2013.8

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Content
Chapter 1 Setup ..................................................................................................................6
1.1 Unpacking .................................................................................................................................6
1.2 Precautions for Use .................................................................................................................6
1.3 Precautions for Moving............................................................................................................8
1.4 Checking Power Source and Fuse ........................................................................................8
1.4.1 Toggle power line voltage ..........................................................................................................................8
1.4.2 Checking or replacing fuse........................................................................................................................8
1.5 Connecting the AC Power Cord.............................................................................................9
1.6 Grounding..................................................................................................................................9
1.7 Checking Operations .............................................................................................................10
1.8 Other Specifications...............................................................................................................11
Chapter 2 Precautions on Handling.............................................................................12
2.1 Prohibited Operations............................................................................................................12
2.2 Action When in Emergency ..................................................................................................13
2.3 Precautions on Testing..........................................................................................................13
2.4 Warning for Residual High Voltages ...................................................................................14
2.5 Dangerous States of Failed Tester......................................................................................15
2.6 To Ensure Long-Term Use without Failures ......................................................................15
2.7 Daily Checking........................................................................................................................16
Chapter 3 Part names and Functions..........................................................................17
3.1 Front Panel..............................................................................................................................17
3.1.1 POWER...................................................................................................................................................17
3.1.2 START and STOP ...................................................................................................................................17
3.1.3 Band and Model ......................................................................................................................................17
3.1.4 USB Interface ..........................................................................................................................................17
3.1.5 Indicator...................................................................................................................................................17
3.1.6 FUNCTION ..............................................................................................................................................18
3.1.7 HV ...........................................................................................................................................................18
3.1.8 Output voltage HIGH terminal (HV).........................................................................................................18
3.1.9 Test low terminal, test current return terminal (LOW/RET)......................................................................18
3.1.10 Move key ...............................................................................................................................................18

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3.1.11 Shortcut key...........................................................................................................................................18
3.1.12 COPY key..............................................................................................................................................18
3.1.13 LCD screen ...........................................................................................................................................18
3.2 Instruction of rear panel.........................................................................................................18
3.2.1 Fan ..........................................................................................................................................................19
3.2.2 Test low terminal, test current return terminal (optional) .........................................................................19
3.2.3 High voltage output terminal (optional)....................................................................................................19
3.2.4 Power jack: with fuse holder, switchable line voltage mode....................................................................19
3.2.5 Protective earth terminal .........................................................................................................................19
3.2.6 Mark ........................................................................................................................................................19
3.2.7 RS232C serial interface ..........................................................................................................................20
3.2.8 USB serial communication interface .......................................................................................................20
3.2.9 HANDLER interface ................................................................................................................................20
3.2.10 SIGNAL interface...................................................................................................................................20
3.3 Description ..............................................................................................................................20
Chapter 4 Basic operation..............................................................................................26
4.1 Interface structure overview .................................................................................................26
4.2 Instruction of panel function interface and parameter ......................................................27
4.2.1 SETUP ....................................................................................................................................................28
4.2.2 TEST (Take AC for example)...................................................................................................................29
4.2.3 SYSTEM..................................................................................................................................................30
4.2.4 FILE.........................................................................................................................................................32
4.3 Test item interface and parameter setup............................................................................33
4.3.1 AC withstanding voltage test parameter setup：.....................................................................................33
4.3.2 DC withstanding voltage test parameter setup :......................................................................................34
4.3.4 Open and short detection (OS) parameter setup：.................................................................................36
4.4 Test function theory and instruction ....................................................................................37
4.4.1 Start up test .............................................................................................................................................38
4.4.2 Test delay ................................................................................................................................................38
4.4.3 Test voltage rise.......................................................................................................................................38
4.4.4 DC RAMP................................................................................................................................................38
4.4.5 High-voltage test......................................................................................................................................38
4.4.6 Voltage fall ...............................................................................................................................................39
4.4.7 Ground wire current detection function ...................................................................................................39
4.4.8 Current over limit and arc detection (ARC) function................................................................................39
4.4.9 Fail judgment...........................................................................................................................................40
4.4.10 Deal with test results .............................................................................................................................41
4.4.11 STOP .....................................................................................................................................................41

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4.4.12 OFFSET ................................................................................................................................................41
4.5 Structure and Use of HANDLER and SIGNAL Interface Circuit......................................42
4.5.1 Control interface theory ...........................................................................................................................42
4.5.2 Control interface instruction.....................................................................................................................43
4.6 Other interface and function .................................................................................................43
4.7 Serial port commands instruction ........................................................................................44
4.7.1 SCPI commands .....................................................................................................................................44
4.7.2 DISPlay Subsystem Commands .............................................................................................................44
4.7.3 FUNCtion Subsystem Commands ..........................................................................................................45
4.7.4 FETCh Subsystem Commands...............................................................................................................64
4.7.5 SYSTem Subsystem Commands ............................................................................................................65
4.7.6 Other Commands ....................................................................................................................................71
Chapter 5 Appendix .........................................................................................................72
5.1Model and Specification of TH9320 series/TH9310 series ........................................72