Fluke 1630-2 Quick Reference Guide

Ground Resistance
AC Leakage Current
Standard Loop Resistance
Battery
R 1
R g
R g
Equivalent circuit diagram:
Ground resistance measurements principle:
R
2 .....R n
.....R n
R g
R 1 R 2 R 3
Load
Load
Grounding Wire
Insert only one of the wires
through the jaws
Load Current
Single-Phase Three-Wire
or Three-Phase Three-Wire
Circuit
Single-Phase
Two-Wire Circuit
Load
Load
Check the Clamp before
Ground Resistance measurements
Measurements

Fluke 1630-2 Specifications

General

Type	Earth Ground Clamp Meter
Ground Resistance Range	0.025 Ω to 1500 Ω
Display	LCD
Data Logging	Yes
Operating Temperature	-10 °C to 50 °C
Storage Temperature	-20 °C to 60 °C
Ground Resistance Accuracy	±(1.5% + 0.02 Ω)
Jaw Opening	32 mm
Power Supply	AA batteries
Safety Rating	CAT IV 600 V