Earth Tester
Earth Ground Tester
 FEATURES
- Easy-to-use earth
- First line of defense in detecting reliable ground connections
- 3-pole Fall-of-Potential as well as 2-pole ground resistance tests
- Convenient size, rugged holster
- Large clear LCD display
- Simple user interface and intuitive functionality
- Handy grounding tool for electrical contractors utility test engineers, and earth ground specialists.
GEO Earth Ground Testers
 FEATURES
- Distinctive earth ground testers that can perform all four types of earth ground measurement able to measure earth ground loop resistances using only clamps – called Stakeless testing doesn’t require the use of earth ground stakes or the disconnection
- Automatic Frequency Control (AFC) – identifies existing interference and chooses a measurement frequency to minimize its effect, providing a more accurate earth ground value.
- Rmeasurement – 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
Testing Methods
- 3- and 4-Pole Fall of Potential – standard earth ground testing using two ground stakes
- Selective testing – without disconnecting ground rods, a technician can measure ground resistance using a combination of stakes and a clamp.
- Stake less testing – innovative solution using only clamps, instead of ground stakes, to measure earth ground loop resistance
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