UT521 Serial Digital Earth Testers
UT520 series can perform precise 3-wire and simple 2-wire earth resistance measurement for power and electrical systems, lightning protection equipment and the grounding system of all electrical equipment. This series is UNI-T’s input earth resistance tester with high economic value. Its lightweight design is suitable for field work.
Features of UT520 Series Digital Soil Testers
Certificates: CE, UKCA
● Manual range
● Low battery indicator
● Data retention
● LCD backlight/auto power off
● Full icon display
● Double insulation protection
● Weak contact indicator: “…Ω”
● Over-range indication: Display “OL”
● Simple 2 brick test
● Sensitive 3 brick test
