Fluke 1630-2 User Manual

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:

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