Fluke Fluke 4325181 Data Sheet
Product codes
4325181
9 Fluke Corporation 1623-2 and 1625-2 GEO Earth Ground Testers
Compensation of lead resistance (R
K
)
Compensation of lead resistance (R
K
) can be switched on in functions R
E
3-pole, R
E
4-pole
, R~ , and R 2-pole
Formation of measured value
R
display
= R
measured
- R
compensated
*
* Value of setpoint entry R
K
= 0.000
Ω
, variable from 0.000 to 29.99
Ω
by means of measuring adjustment.
Stakeless ground loop measurement (
)
Switch position
Resolution
Measuring range
Accuracy
Operating error
R
A
4-pole
0.001
Ω to 0.1 Ω
0.02
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.