UNI-T UT520 Series Digital Earth Testers

Models in UT520 Series: UT521, UT522

UT520 series can perform precise 3-wire and simple 2-wire earth resistance measurement for power and electrical systems, lightning protection equipment, and ground 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.