Rush Current (Ac Inrush) - Hioki CM4141 Bedienungsanleitung

Rush current (AC INRUSH)

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