UNI-T UT522 Digital Earth Ground Resistance Tester AC Earth Insulation Resistance Tester Low Test Data Logging

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About UNI-T UT522 Digital Earth Ground Resistance Tester

UNI-T UT522 Digital Earth Ground Resistance Tester AC Earth Insulation Resistance Tester Low Test Data Logging 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. Features 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 Specifications Earth resistance: 0~40Ω ±(2%+20); 0~400Ω ±(2%+3); 0~4000Ω ±(2%+3) AC earth voltage: 0~400V ±(1%+6); Frequency: 50Hz/60Hz Display count: 4000 Manual range: √ Auto power off: Around 10 minutes Low battery indication: √ Data hold: √ Data storage: 20 LCD backlight: √ Full icon display: √ Double insulation protection: √ Poor contact display: "...Ω" Over-range display: Display "OL" Simple 2-wire testing: √ Precise 3-wire testing: √ Product net weight: 560g Product size: 160mm x 100mm x 70.5mm Battery not included