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Fluke Fluke 4325170 Data Sheet

Product codes
4325170
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8  Fluke Corporation     1623-2 and 1625-2 GEO Earth Ground Testers
Additonal error because of probe- and auxiliary earth 
typ. electrode resistance
Measuring error of R
H
 and R
S
Typ. of 10 % of R
ETOTAL
 + R
S
 + R
H
 
Measuring time
Typ. 8 sec. with a fixed frequency 30 sec. max. with AFC and complete cycle of 
all measuring frequencies
Minimal current in single branch to be measured
0.5 mA
With transformer (1000:1)
0.1 mA 
With transformer (200:1)
Max. interference current through transformer
3 A
With a transformer (1000:1)
Resistance measurement (R~)
Measuring method
Current and voltage measurement
Measuring voltage
20 V ac, square pulse
Short circuit current
> 250 mA ac
Measuring frequency
94, 105, 111, 128 Hz selected manually or automatically (AFC) 
Measuring range
Display range
Resolution
Accuracy
Operating errors
0.020 
Ω to 300 kΩ
0.001 
Ω to 2.999 Ω
0.001 
Ω
± (2 % of rdg + 2 digit)
± (5 % of rdg + 5 digit)
3.0 
Ω to 29.99 Ω
0.01 
Ω
30 
Ω to 299.9 Ω
0.1 
Ω
 
300 
Ω to 2999 Ω
1 
Ω
3.0 k
Ω to 29.99 kΩ
10 
Ω
30.0 k
Ω to 299.9 kΩ
100 
Ω
Measuring time
typ. 6 sec.
Max. interference voltage
24 V, with higher voltages measurement will not be started
Max overload
U
rms
  max. = 250 V
Resistance measurement (R )
Measuring method
current- voltage measurement as per IEC61557-4 possible
Open circuit voltage
20 V dc
Short circuit current
200 mA dc
Formation of measured value
with 4-pole measurement wires on H, S, ES can be extended without additional error.
Resistances > 1 
Ω in wire E can cause additional error of 5m Ω/Ω.
Measuring range
Display range
Resolution
 Accuracy
Operating error
0.020 
Ω to 3 kΩ
0.001 
Ω to 2.999 Ω
0.001 
Ω
± (2 % of rdg + 2 digit)
± (5 % of rdg + 5 digit)
3.0 
Ω to 29.99 Ω
0.01 
Ω
 
30.0 
Ω to 299.9 Ω
0.1 
Ω
300 
Ω to 2999 Ω
1 
Ω
Measuring sequence
Approx. 2 measurements/s 
Measuring time
Typ. 4 sec. incl. reversal of polarity (2-pole or 4-pole)
Max. interference voltage
≤ 3 V ac or dc, with higher voltages measurement will not be started
Max inductivity
2 Henry 
Max. overload
U
rms
 = 250 V