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UNI-T UT522 Digital Earth Ground Insulation 0-400V 0-4000 ohm AC  Insulation Resistance Tester Low Test Data Logging
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UNI-T UT522 Digital Earth Ground Insulation 0-400V 0-4000 ohm AC Insulation Resistance Tester Low Test Data Logging

- China

Lightning Rod Lightning Detector Low tester
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Main Features

UNI-T UT522 Digital Earth Ground Resistance Tester 400V 4000Ohm Voltage Detector Ohm Meter LCD Backlight4000 Counts Test Lead

UT520 series can perform precise 3-wire and simple 2-wire earth resistance measurement for power and electrical systems, lightning protection equipment, and g round system of all electrical equipment. This series is UNI-T’s introductory earth resistance tester with high economic value.
Its lightweight design is convenient for fieldwork.

1. Over range indication, test lead connection alarm
2. TEST button for fast capture of measurement values
3. 20-group data storage/recall
4. Backlight
5. Data hold
6. Auto power off/battery check
7. Earth voltage measurement


160mm x 100mm x 70.5mm
Display Type
Digital Only
DIY Supplies
Model Number
Testing Voltage
Measuring Range
Accuracy Class
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