Fluke 1625 User Manual

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).

Fluke 1625 Specifications

General

Storage Temperature	-20 °C to 60 °C
Testing Methods	3-pole fall-of-potential, 4-pole
Measurement Frequency	128 Hz
Power Supply	6 x 1.5 V AA batteries or optional AC adapter
Safety Rating	CAT II 300 V
Safety Standards	IEC 61010-1