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Fluke 1630-2 Quick Reference Manual page 2

Earth ground clamp

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Measurements

Ground Resistance

Ground resistance measurements principle:

Equivalent circuit diagram:

.....R

AC Leakage Current

Single-Phase

Two-Wire Circuit

Single-Phase Three-Wire

or Three-Phase Three-Wire

Circuit

Load Current

.....R

Grounding Wire

Insert only one of the wires

through the jaws

Standard Loop Resistance

Check the Clamp before

Ground Resistance measurements

Battery

1630-2 fc