TOS93 Series User’s Manual 7
Contents
About Manuals ...................................................3
Open Source Software .......................................3
Accessories ........................................................4
Product Overview ...............................................4
Notations Used in This Manual...........................5
Safety Precautions .............................................5
Notes on Usage..................................................6
Component Names ..........................................12
Safety Precautions for
Testing
Lighting of the DANGER LED...........................19
Test Precautions ..............................................19
Pre-test precautions ............................................. 19
Testing precautions .............................................. 20
Precautions when setting test conditions ............. 20
Precautions after Output Has Been Turned Off21
Estimated discharge time ..................................... 21
Remote Control Precautions ............................22
Malfunction Precautions ...................................22
Dangerous malfunctions....................................... 22
Emergency measures........................................... 22
Protection Functions.........................................23
Installation
Connecting the Power Cord .............................25
Checking Whether the Power Is On or Off .......26
Checking the interlock operation .......................... 26
Turning the power on............................................ 27
Turning the power off............................................ 28
Setting date .......................................................... 28
Connection for Withstanding Voltage and Insula-
tion Resistance Tests .......................................29
Connecting the test leads ..................................... 29
Removing the test leads ....................................... 33
Connection for Earth Continuity Tests..............34
Four-terminal wiring and two-terminal wiring........ 34
Connecting the test leads ..................................... 35
Removing the test leads ....................................... 37
Connection for Partial Discharge Tests............38
Connecting the test leads..................................... 38
Removing the test leads....................................... 40
Connection for Leakage Current Tests ............41
Using the insulation transformer........................... 41
Connecting the EUT
to the power supply............. 41
Connecting the test leads..................................... 44
Basic Operation
Basic Panel Operations....................................46
Switching menus .................................................. 46
Using the function keys ........................................ 47
Inputting numbers and characters........................ 49
Changing values................................................... 50
Selecting the Test Mode ..................................51
Selecting the test mode........................................ 52
Withstanding Voltage and
Insulation Resistance Tests
Setting Test Conditions ....................................53
Displaying the setup screen (Home menu) .......... 53
Description of test conditions ............................... 54
Test voltage.......................................................... 55
Limit voltage ......................................................... 56
Start voltage ......................................................... 57
End V
oltage...
....................................................... 58
Frequency ............................................................ 59
Upper limit ............................................................ 60
Lower limit ............................................................ 61
Unit of criteria (Judge Type) ................................. 62
Auto setting of the judgment delay (Delay A
uto
) .. 63
Test time............................................................... 65
Voltage rise time................................................... 66
Voltage fall time.................................................... 67
Discharge time ..................................................... 68
Discharge when interlock is activated (Discharge
Interlock)............................................................... 69
Current detection response speed (Filter)............ 70
Grounding mode (GND) ....................................... 71
Current measurement mode (Current RMS
) ...
..... 73
Voltage measurement mode (Volt
Measure)........ 74
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