UNI-T UT522 earth resistance tester
Details
The UT522 is an earth resistance tester with a larger range and higher count than other meters from the UT520 series such as the UT521. Earth resistance meters are intended to make measurements on the grounding of electrical systems. Various applications need to have a good earth connection, for example, to dissipate over-voltages or lightning strikes. Earth testers work with pins that must be inserted into damp ground. In addition, a connecting wire for the measuring object is included for comparison with the earth.
The pins provided are intended to measure the resistance of the soil to see if the soil is suitable for inserting a grounding pin.
The meter can perform both 2 and 3-wire resistance measurements, in addition, it is possible to measure the ground voltage.
Specifications
| Display count | 4000 | ||||||||||
| Range and accuracy | |||||||||||
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| Other functions | LCD Backlight, Data-hold (20 slots), Double insulation protection, Bad contact warning, Overload indication | ||||||||||
| Display | 70.6 x 34 mm | ||||||||||
| Power | 6 x 1.5V batteries (included) | Dimensions | 160 x 100 x 70.5 mm | ||||||||
| Weight | 560 gram | ||||||||||
Accessories
The UT522 comes with:
- Testleads (Green(5 m), Yellow(10 m), Red(20 m))
- Testleads with alligator clips
- 2 Earthpins
- Batteries
- Carrying case
Pros and cons
- Large range
- High accuracy
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