<< Fluke Earth Ground
TestersFluke 1623/1625
GEO Earth Ground Testers
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1623 Features
- One-button measurement concept
- 3- and 4-pole earth ground measurement
- 4-Pole soil resistivity testing
- 2-pole resistance measurement AC
- Selective testing, no disconnection of ground conductor (1 clamp)
- Stakeless testing, quick ground loop testing (2 clamps)
- Measuring frequency 128 Hz
1625 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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The Fluke 1623 and 1625 are distinctive earth
ground testers that can perform all four types of earth ground
measurement. Specifically, the Fluke 1623 and 1625 testers are 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. |
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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.
The Fluke 1625 offers these advanced features
- 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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