TOS93 Series User’s Manual 73
Withstanding Voltage and Insulation Resistance Tests | Setting Test Conditions
Offset
This can be set only in DC withstanding voltage (DCW) and insulation resistance (IR) tests.
An offset can be applied to the current or resistance of test leads, tools, etc.
If the offset is set to on,
appears during testing.
1
On the Home menu screen, press Scale repeatedly until Scale is selected.
Each time you press the key, the setting changes between Meas and Scale.
2
Press Offset to switch between on and off.
Offset switches between on and off each time you press the key.
3
If set to ON, set the Offset value according to the following procedure.
This completes the setting.
Purpose Operation
Measure the Offset value to
set it automatically.
Press Auto Measure. Use the rotary knob or numeric keypad to enter
the test voltage. Connect test leads to this product, and open the test
leads. Press START. When the measurement stabilizes, press STOP.
The Offset value is set automatically.
Set the Offset value manually. Use the numeric keypad or the rotary knob to enter the value. For IR
tests, the unit of resistance changes each time you press Range.
DCW setting range: 0.0000 mA to 100.0000 mA
IR setting range: 0.001 GΩ to 2000.0 GΩ
Example: Home menu screen of IR
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