UNI-T UT522 Digital Earth Ground Tester (0～40/400/4000 OHMS; 0～400V) Tester AC Earth Insulation Resistance Tester UT-522

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 UT522
Earth resistance (Ω) 0~40Ω ±(2%+20)
0~400Ω ±(2%+3)
0~4000Ω ±(2%+3)
AC earth voltage (V) 0~400V ±(1%+6)
Frequency: 50Hz/60Hz √
Features
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 √
General Characteristics
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
Standard accessories Batteries, simple test leads with alligator clips, standard test leads with alligator clips, earth spike,
gallus