Hioki CM4141-50, Instruction Manual

Page: 45 / 108

39
Current Measurement
Inrush current (AC inrush)
Trigger level
±2 A peak (60.00 A range)
±10 A peak (600.0 A range)
±100 A peak (2000 A range)
1 1
Turn off the motor.
Rotate the rotary switch.
6 6
Turn on the motor.
(Inrush current occurs)
AC Inrush peak value
(i.e.
250 A)
(Inrush current
occurrence
period)
(about 10 ms to 999 ms)
AC current
RMS value (inrush)
e.g., 100 A
5 5
Hold down for 1 s.

AC Inrush on
3 3
Clamp the instrument
around the wire.
2 2
The instrument can measure AC
inrush current.
Inrush current with DC component
superimposed cannot be
measured accurately.
4 4
Set the range.
See “Switching the ranges” (p. 36).
In automatic ranging mode, the
instrument will be automatically set to
the 2000 A range.
Load side
Line side
Current direction
Hold down
for 1 s.
To exit AC Inrush mode
HIOKI CM4141C961-00