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R
g
.....R
n
1630
EARTHGROUNDCLAMP
300V
CAT
mA
A
OFF
HOLD
FUNC
REC
R
1
R
2
R
3
R
1
R
g
R
2
.....R
n
1630
EARTHGROUNDCLAMP
300V
CAT
mA
A
OFF
HOLD
FUNC
REC
R
g
1630
EARTHGROUNDCLAMP
300V
CAT
mA
A
OFF
HOLD
FUNC
REC
56
1630 Earth Ground
Clamp Meter
The Fluke 1630 earth ground clamp
meter simplifies ground loop testing and
enables non-intrusive leakage current
measurement. The ground loop testing is
also known as “stakeless” earth ground
testing. To carry out the measurement
there is no need for placing earth stakes
and disconnecting the earth system
from the electrical installation. The Fluke
1630 combines the two current clamps
needed to perform the stakeless ground
loop test in one compact and easy to use
instrument.
• Ground loop resistance testing without
any disconnection or additional earth
stakes
• Earth ground leakage current
measurement for system
troubleshooting
• True RMS AC current measurement
range up to 30 A
Fluke 1630
Included Accessories
Rugged carrying case with belt, Resistance test
loop, 9 V battery, Operating instructions.
Ordering Information
Fluke 1630 Earth Ground Clamp Meter
Weight:
0.64 kg
Conductor Size:
35 mm approx.
Size (HxWxD):
257 mm x 100 mm x 47 mm
Battery type:
9 V IEC 6 LR 61
Two Year Warranty
Range
Max. resolution
Resistance
0.025 to 1500 Ω
0.002 Ω
Continuity buzzer
< app. 40 Ω
Leakage current
0.2 to 1000 mA
0.001 mA
Current
0.2 to 30 A
0.01 A
Specifications
Ground resistance measurements principle
(Check the Fluke web for detailed specifications)
• Rapid evaluation of continuity without
disconnection and audible HI/LO alarm
• Display-HOLD function to freeze
measurements
• Recording function for automatic
storage of measured values, which can
be recalled later on the LCD display
• Automatic self calibration ensures
correct measurement every time
The Fluke 1630 is ideally suited for the
following applications:
• Ground loop checks on any earthing
system
• Continuity tests on earth bonding
circuits and connections
• Inspection of lightning protection
systems
• Leakage current measurement for
troubleshooting on earth ground
systems
Fast and easy earth ground loop testing
Ground resistance measurements principle
Equivalent circuit diagram