Fluke 1625 FE 1625 Users Manual - Page 73

Principle of Operation, Purpose

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Dimensions Operating error*: Display range*: Measuring frequency: Measuring voltage: Measuring range*: Resolution: *when using: Stakeless Earth/Ground Resistance Testing Principle of Operation Total length of adaptercable 1,8 m, Length of shielded cable to clamp-on CT 1,5 m. ± (10% of m.v. + 5 digit). 0,010 Ω ... 130 Ω. 128 Hz. Um=48 VAC (primary). 0,020 Ω ... 100 Ω. .001... .1 ohm. CT EI-162AC to induce voltage and CT EI-162X to detect current. Recommended distance between CT's: 10 cm. Principle of Operation Purpose Testing the resistances of individual ground connections in systems with parallel ground connections (multi-grounded systems). 65

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Stakeless Earth/Ground Resistance Testing
Principle of Operation
65
Dimensions
Total length of adaptercable 1,8 m, Length
of shielded cable to clamp-on CT 1,5 m.
Operating error*:
± (10% of m.v. + 5 digit).
Display range*:
0,010
Ω
... 130
Ω
.
Measuring frequency:
128 Hz.
Measuring voltage:
U
m
=48 VAC (primary).
Measuring range*:
0,020
Ω
... 100
Ω
.
Resolution:
.001... .1 ohm.
*when using:
CT EI-162AC to induce voltage and
CT EI-162X to detect current.
Recommended distance between CT's:
10 cm.
Principle of Operation
Purpose
Testing the resistances of individual ground connections in systems with paral-
lel ground connections (multi-grounded systems).