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Chapter 2 Measurement Procedure
――――――――――――――――――――――――
SLOW PEAKFAST
(The unit
symbol blinks.)
Hz
(Except
DC)
NORMAL
NOTE
2.2.4 Peak Hold Measurement
1. Press and select a measurement mode for the
measured circuit.
2. In DC A and AC+DC A modes, make an auto-zero-
adjustment by
0ADJ/RESET
.
3. Set to PEAK. The measurement mode is switched
by
SLOW/PEAK/Hz
as follows.
4. Switch between the auto and the manual range as
necessary. (If you are unable to estimate the peak
current value, start at the 2000A range.)
5. Before the measurement, press
0ADJ/RESET
to reset
the residual data.
6. Open the top ends of the clamp core and clamp the
measured conductor so that it passes through the
center of the clamp core.
･ The polarity of the input is not displayed during
peak measurements. The measured values may
change if the clamp sensor is reoriented, but the
values are within the guaranteed accuracy.
･ For peak measurements, internal resetting occurs
every 250 ms. This may cause a peak detection
failure, depending on the timing.
･ Even after clamping, press
0ADJ/RESET
to reset the
data as necessary.
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