Hioki CM4375 - Filter Function for Current Measurement; Filter ON vs. OFF Performance

14
Current Measurement
2.2 Current Measurement
e.g.: 3P4W (3-phase, 4-wire) circuit
breaker (AC current measurement)
AUTO
(AUTO AC/DC)
(AC+DC A)(DC A)
(AC A)
3
Clamp the instrument around a conductor.Turn the rotary switch.
1
4
2
Press for 1 sec.

Zero adjustment
Frequency detection range of AC current
5.0 A or more
DC current polarity detection function
(p. 31)
If the measured value is negative, the
buzzer will sound, and the display will turn
red (threshold: −10 A).
Hz
(Frequency)
Be sure that the currents
direction points the arrow.