Description
UT521 can perform precise 3-wire and simple 2-wire earth resistance measurements 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.

UNI-T Digital Earth Resistance Tester UT521 Earth Tester
Certificates: CE, UKCA
Manual range
Low battery indication
Data hold
LCD backlight/auto power off
Full icon display
Double insulation protection
Poor contact display: “…Ω”
Over-range display: Display “OL”
Simple 2-wire testing
Precise 3-wire testing
 

Specifications of UT521 Digital Earth Tester
Earth resistance: 0~20Ω ±(2%+10), 0~200Ω ±(2%+3), 0~2000Ω ±(2%+3)
AC earth voltage: 0~200V ±(1%+4)
Frequency: 50Hz/60Hz
 

Features
Display count: 2000
Manual range
Auto power off for 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
Standard individual packing Gift box, carrying bag, English manual                                    

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