72 User’s Manual TOS93 Series
Withstanding Voltage and Insulation Resistance Tests | Setting Test Conditions
When set to Guard (example of ACW)
Setup procedure
1
On the Home menu screen, press Measure repeatedly until Measure is selected.
Each time you press the key, the setting changes between Measure and Scale.
2
Press GND, and then turn the rotary knob to change the value.
This completes the setting.
A
Stray capacitance and insulation
resistance of test leads, tools, etc.
Set to Guard
Ammeter
TOS93
HIGH
LOW
EUT
Can be used only with a ungrounded EUT
Do not ground the EUT.
A
Set to Guard
Ammeter
TOS93
HIGH
LOW
Do not devices that are grounded at one end
EUT
Devices that
are grounded
at one end
Example: Home menu screen of ACW
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