Meter UT522 UNI T earth resistance

The UT522 series can perform precise measurements of 3-wire and simple 2-wire earth resistance for power and electrical systems, lightning protection devices, and grounding systems of all electrical devices. This series is an entry-level UNI-T earth resistance tester with high economic value. Its lightweight design is convenient for fieldwork. 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] Maximum display value: 4000 Auto power off: Yes, approx. 10 min Low battery warning: Yes Data hold: Yes Data storage: up to 20 records Backlight: Yes Double insulation protection: Yes Simple 2-wire testing: Yes Precise 3-wire testing: Yes Power supply: 6x AAA Display: 70.6 x 34 mm Weight: 560g Dimensions: 160 x 100 x 70.5 mm.