1630-2/1630-2 FC
Users Manual
14
Note
•
If >3 A is found in the ground rod, NOISE shows on the
display and the Clamp beeps. When noise is present,
the Clamp reading is not valid.
•
If the jaw assembly is opened during measurement,
shows on the display.
Figure 8. Ground Resistance Measurement Principles
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
Ground resistance measurement principle:
Equivalent circuit diagram:
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