Description
The Fluke 1625 earth ground tester can perform all four
types of earth ground measurement. Specifically, the tester is able
to measure earth ground loop resistances using only clamps – called
Stakeless testing. This method doesn’t require the use of earth
ground stakes or the disconnection of ground rods.
Testing Methods
- 3- and 4-Pole Fall of Potential – standard earth ground
testing using two ground stakes
- 4-Pole Soil Resistivity testing – determine soil resistivity
using four ground stakes
- Selective testing – without disconnecting ground rods, a
technician can measure ground resistance using a combination of
stakes and a clamp.
- Stakeless testing – innovative solution using only clamps,
instead of ground stakes, to measure earth ground loop resistance.
- Automatic Frequency Control (AFC) – identifies existing
interference and chooses a measurement frequency to minimize its
effect, providing a 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 quick test result verification.
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Features
- 3- and 4-pole earth ground measurement.
- 4-Pole soil resistivity testing.
- 2-pole resistance measurement AC.
- 2- and 4-pole resistance measurement DC.
- Selective testing, no disconnection of ground conductor (1
clamp).
- Stakeless testing, quick ground loop testing (2 clamps).
- Earth impedance measurement at 55 Hz.
- Automatic frequency control (AFC) (94, 105, 111, 128 Hz).
- Measuring voltage switchable 20/48V.
- Programmable limits, settings.
- Continuity with buzzer.
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