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Operation; Preparation For Use; Check The Battery; Check The Current Regulation - Amprobe MO-100 Bedienungshandbuch

Milliohmmeter
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OPERATION

Preparation For Use

When unpacked, the tester should be inspected for any visible signs of
damage, and the preliminary checks described in the user's manual should
be performed to ensure that it is operating correctly. If there is any sign of
damage, or if the instrument does not operate correctly, return it to your
nearest supplier.

Check the Battery

If the battery symbol is shown on the LCD, then replace the batteries with new
alkalines batteries before proceeding.

Check the Current Regulation

• Connect the current leads to C1 and C2.
• Select a range, and short the current test leads. The RC led should go off,
indicating that the current regulation is ok.

Check the Voltage Measurement

• Connect the potential leads to P1 and P2.
• Short the P1 and P2. The display should indicate 0000.
• Remove the short from P1 and P2and C1 and C2. Touching the potential
test leads P1 to C1 and P2 to C2, the RP led should lit, indicating an over-
voltage or over-range.
This proving test can be repeated on all the ranges if need be.
You can also check the polarity indication of the milli-voltmeter by touching
the potential test leads P1 to C2 and P2 to C1, the RP LED should lit, indicating
an over-voltage or over-range. The - indicator should be indicating - on the
LCD, showing the polarity change.
Total check can be done by shorting all the test leads together C1, C2, P1, P2.
The display should indicate close to 0000 (depending of the crocodiles clips
used and how they are shorted). Both RC and RP LED should be OFF, indicating
that everything work ok.
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