72 User’s Manual TOS93 Series
Withstanding Voltage and Insulation Resistance Tests | Setting Test Conditions
Offset (Offset Real, Offset Imag)
This can be set only for AC withstanding voltage (ACW) tests.
You can set the real part (Offset Real) and imaginary part (Offset Imag) of the offset for the current running
through the stray capacitance of test leads, tools, and the like. 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 Real and Offset imag values according to the following
procedure.
This completes the setting.
Purpose Operation
Measure the Offset Real and Offset
Imag values to set them 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 sta-
bilizes, press STOP.
The Offset Real and Offset imag values are set automatically.
Set the Offset Real value manually. Press Offset Real, and then use the numeric keypad or the
rotary knob to enter the value. Setting range: 0.0000 mA to
100.0000 mA
Set the Offset imag value manually. Press Offset imag, and then use the numeric keypad or the
rotary knob to enter the value. Setting range: 0.0000 mA to
100.0000 mA
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