Measurement Of Interference Voltage Dc + Ac; Measurement Of Interference Frequency (Fst ); Earthing Resistance (R E ) - Fluke 1625 User Manual

Earth/ground tester
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Measurement of Interference Voltage DC + AC (U
Measuring method:
Measuring
Range
1...50 V
0.0...50 V
Measuring sequence:
Internal resistance:
Max. overload:
Measurement of Interference Frequency (F
Measuring method:
Measuring
Range
16.0 ... 400
Hz
Earthing Resistance (R
Measuring method:
Open circuit voltage:
Short circuit current:
Measuring frequency:
Noise rejection:
Max. overload:
fullwave rectification
Display
Resolu-
Range
tion
0.1 V
approx. 4 measurements /s
approx. 1.5 M
U rms = 250 V
Measurement of oscillation period of the interfer-
ence voltage
Display Range
16.0...299.9...99
9 Hz
)
E
current and voltage measurement with probe
as IEC61557-5
20 / 48 V, AC
250 mA AC
94 , 105 , 111 , 128 Hz selected manually or
automatic.(AFC) 55 Hz in function R*
120 dB ( 16 2/3, 50 , 60, 400 Hz )
U
rms
Earth/Ground Tester
Frequency
Range
DC/AC
45...400 Hz
sine
Resolution
Range
0.1 ... 1 Hz
1 V ...
50 V
= 250 V
Specifications
)
ST
Limits of Er-
ror
± (5% of
reading +5
digit)
)
ST
Limits of
Error
± (1% v. mv
+2 digit)
13

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