Hioki DT4254 - Page 73

65
Reducing the Effect of the Noise (FILTER)
0
20
40
60
80
100
120
140
0
20
40
60
80
100
120
140
10 100 1000 10000
Example of frequency property when a lter is used
Measured
value [V]
Filter OFF
Passband 500 [Hz]
Passband 100 [Hz]
(AC voltage 600.0 V range, 100 V input)
Frequency at 100 V input [Hz]
Example: Power frequency on an aircraft or marine vessel is 400 Hz
When voltage is 100 V
FILTER setting Displayed value
Normal
OFF
Approx. 100 V
500 Hz
Abnormal 100 Hz Around 0 V