Description
Stakeless Testing
The Fluke 1625-2 earth ground tester is able to measure earth ground loop resistances using only clamps.
With this test method, two clamps are placed around the earth ground rod and each are connected to the tester.
No earth ground stakes are used at all. A known, fixed voltage is induced by one clamp and
the current is measured using the second clamp. Then the tester automatically determines
the resistance of the earth ground rod. This test method only works if a bonded earth ground
system exists for the building or structure under test, but most are. If there is only one path to ground,
like at many residential applications, the Stakeless method will not provide an acceptable
value and the Fall of Potential test method must be used.
With Stakeless testing, the earth ground rod does not need to be disconnected – leaving
the bonded earth ground system intact during test. Gone are the days of spending
time placing and connecting stakes for each earth ground rod on your system – a major time saver.
You can also perform earth ground tests in places you’ve not considered before:
inside buildings, power pylons, or anywhere you don’t have access to soil.
The Most Complete Tester
The Fluke 1625-2 is a unique earth ground tester that can performs all four types of earth ground measurement:
3- and 4-Pole Fall-of-Potential (using stakes)
4-Pole Soil Resistivity testing (using stakes)
Selective testing (using 1 clamp and stakes)
Stakeless testing (using 2 clamps only)
Product overview: Fluke 1625-2 GEO Earth Ground Tester Kit
The Fluke 1625-2 offers you simpler, faster earth ground tests than ever before.
The 1625-2 offers internal memory storage up to 1500 records, accessible via USB port
for rapid data transfer and viewing of results. This earth ground tester also gives you
world-class accessories that take the tedium out of earth ground testing. New wire reels speed
up setup and tear down time as much as 50%. Heavy duty stakes can be hammered into dry, hard soil.
And new colour-coded wires make setup simple and help eliminate mistakes.
The Fluke 1625-2 improves your earth ground testing process with:
Automatic Frequency Control (AFC) – identifies existing interference and chooses
a measurement frequency to minimise its effect, providing more accurate earth ground value
R* measurement – calculates earth ground impedance at 55 Hz to more accurately reflect
the earth ground resistance that a fault-to earth ground would see
Adjustable limits – for quicker testing
3- and 4-pole Fall-of-Potential, earth resistance loop testing
4-pole Soil Resistivity testing
Selective earth ground rod testing using 1 clamp
Stakeless earth ground rod testing using 2 clamps
IP56 rated for outdoor use
Rugged carrying case




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