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 light weight design is convenient for field work.
Specifications Range UT521
Earth resistance (Ω) 0~20Ω ±(2%+10)
0~200Ω ±(2%+3)
0~2000Ω ±(2%+3)
AC earth voltage (V) 0~200V ±(1%+4)
Frequency: 50Hz/60Hz √
Display count   2000
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   √
General Characterisitics
Power 1.5V battery (LR6) x 6
Display 70.6mm x 34mm
Product color Red and grey
Product net weight 560g
Product size 160mm x 100mm x 70.5mm

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Industrial Digital Earth Ground Resistance Tester Ohm DC/AC Volt Meter.

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