Hioki CM4002, Instruction Manual

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Filter Function (FILTER)
2.2 Filter Function (FILTER)
When a switching power supply or an inverter is connected to the same system as the object
under measurement, high frequency components may be superimposed on the leakage current
waveform. Using the filter function can eliminate unnecessary high-frequency components (low-
pass filter).
Enable the filter function.
Frequency characteristic example (6 mA range)
-20
-15
-10
-5
0
5
10
10 100 1 k 10 k
Gain
(dB)
Frequency (Hz)
Filter: OFF Filter: ON
1 s
Hold down the key for 1 s or
longer.
(Holding down the key for
1 s or longer again disables
the function.)
FILTER
will appear.
You can also set the instrument so that the filter function can be enabled or disabled at power-up. (p. 67)
HIOKI CM4002A961-02