Fluke 1625 FE 1625 Users Manual - Page 27

Resistance Measurement (R(), Urms = 250 V

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Earth/Ground Tester Specifications Resistance Measurement (RF) 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 0.020 Ω 3 kΩ Display Range Resolution 0.001 Ω ... 2.999 Ω 3.0 Ω ... 29.99 Ω 30.0 Ω ... 299.9 Ω 0.001 Ω 0.01 Ω 0.1 Ω 300 Ω ... 2999 Ω 1 Ω Intrinsic Operating Error Error ±( 2 % of m.v. +2 digit) ±( 5% of m.v. +5 digit) Measuring sequence: Measuring time: Max. interference voltage: Max inductivity: Max. overload: approx. 2 measurements/s typ. 4 sec. incl. reversal of polarity (2 pole or 4 pole) ≤ 3 V AC or DC, with higher voltages measurement will not be started 2 Henry Urms = 250 V 19

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Earth/Ground Tester
Specifications
19
Resistance Measurement (R
F
)
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
Intrinsic
Error
Operating
Error
0.001
Ω
... 2.999
Ω
0.001
Ω
0.020
Ω
3.0
Ω
... 29.99
Ω
0.01
Ω
3 k
Ω
30.0
Ω
... 299.9
Ω
0.1
Ω
±( 2 % of
m.v. +2
digit)
±( 5% of
m.v. +5
digit)
300
Ω
...
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 measure-
ment will not be started
Max inductivity:
2 Henry
Max. overload:
Urms = 250 V