Operation - Extech Instruments UM200-NIST User Manual

Micro-ohmmeter
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Operation

Note:
1.
The battery is charged before shipment, operation when first received is permitted.
2.
When in Resistance mode, zero the range before making measurements.
3.
After the START/STOP button is pressed to start measurement, the unit cannot be stopped
until the first measurement is completed.
4.
When the LED light with inductance symbol is on, this indicates the measurement is for both
resistive materials and inductive materials. When the LED light with inductance symbol is off,
inductive material cannot be measured.
NOTE: The battery will not charge with the rotary switch in the OFF position.
Place the rotary switch in any range position to charge the battery.
Warning:
Do not measure any resistance (object) with electrical potential (voltage). The electrical potential
(voltage) could cause damage to the ohmmeter.
4 Wire Connection Methods
Kelvin Clips
6
UM200-en-GB_V1.6 10/19

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Um200

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