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Measuring Currents
To measure a current accurately
Retracting and extending the upper jaw can cause an offset
voltage of several millivolts. Perform the steps described
below before measuring a current to measure it accurately.
How to measure a current accurately
1
Hold down the
/ AUTO ZERO
the junction box for
about 1 second.
The
LED will light up.
Demagnetization and
automatic zero-adjustment will
start.
After the completion, the
DEMAG / AUTO ZERO
will go out.
2
Wait for about 5 minutes.
The fluctuation in the offset voltage will stabilize.
3
Operate the opening
lever of the sensor back
and forth to retract and
extend the upper jaw 4
or 5 times.
60
DEMAG
key on
DEMAG / AUTO ZERO
Before execution,
orange blinks or
goes out.
LED
Hold down
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