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BESANTEK
10.5 Low Ohms Measurement O -
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Always check for voltage
before testing and measuring
on a circuit. This instrument is
intended for measuring Low
n
and Insulation resistance on
un-energized circuits only.
Use the procedure explained
at points 7.2, 7.3, 7.4.
The first procedure to follow,
is to zero the test leads and the fuse resistance.
The instrument is equipped with a Zero O Knob.
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First, short circuit the test leads by connecting them
together, then, press the test button and adjust the
zero O knob until the pointer is precisely on the "O" of
the 5000 scale.
Use the mirror scale to be precise with the pointer.
Connect the test leads to the circuit to be measured.
For short test, press button and keep pressed.
For long test or hand free
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wi
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measurements, press
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and turn the test button.
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