Fluke Fluke 4325170 Data Sheet
Product codes
4325170
4 Fluke Corporation 1623-2 and 1625-2 GEO Earth Ground Testers
Measuring principle: Current/voltage measurement (with external current clamp)
Measuring voltage
Vm = 48 V ac
Short-circuit current
> 50 mA
Measuring frequency
128 Hz
Probe resistance (R
S
)
Max. 100 k
Ω
Auxiliary earth electrode resistance (R
H
)
Max. 100 k
Ω
Monitoring of R
S
, and R
H
with error indicator
Automatic range selection
Measurement is not performed if the current through the current clamp is too low
Measurement is not performed if the current through the current clamp is too low
Stakeless ground loop measurement (
)
Switch position
Resolution
Measuring range
Accuracy
Operating error
R
A
4-pole
0.001
Ω to 0.1 Ω
0.020
Ω to 199.9 Ω
± (7 % rdg + 3 d)
± (10 % rdg + 5 d)
Measuring principle: Stakeless measurement of resistance in closed loops using two current transformers
Measuring voltage
Vm = 48 V ac (primary)
Measuring frequency
128 Hz
Noise current (I
EXT
)
Max. I
EXT
= 10 A (ac) (R
A
< 20
Ω)
Max. I
EXT
= 2 A (ac) (R
A
> 20
Ω)
Automatic range selection
The information regarding stakeless ground loop measurements is only valid when used in conjunction with the recommended current clamps at the minimum
The information regarding stakeless ground loop measurements is only valid when used in conjunction with the recommended current clamps at the minimum
distance specified.