Hioki CM4141, Instruction Manual, Page: 27 / 76

21
Current Measurement
2
Rush current (AC INRUSH)
Load side
Power supply side
Current direction
Trigger level
±2 A peak (60.00 A range)
±10 A peak (600.0 A range)
±100 A peak (2000 A range)
1
Turn off the motor.
Turn the rotary switch.
6
Turn on the motor.
(Rush current
occurrence)
5
Press for 1 sec.

AC INRUSH ON
3
Clamp the instrument around a
conductor.
2
The instrument can measure
AC rush current. Rush current
containing a DC component cannot
be measured accurately.
4
Set the range.
See: “Switching the range” (p. 18)
Maximum wave height (PEAK)
Example screen
: 250 A
Interval during which rush current occurs
(Dozens to hundreds of milliseconds in duration)
AC current
RMS value (INRUSH)
Example
screen: 100 A
In auto-range mode, the
instrument will be automatically
set to the 2000 A range.