UT521 Digital Earth Grounding Resistance Tester Poor Contact Display

Features

UT520 series earth resistance tester has the functions of backlight display, low battery display, data hold, data storage, auto power off and power saving. It can not only be used for accurate three-wire measurement but also simple two-wire measurement. 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.

It is applicable to measuring the earth resistance of all kinds of electrical power system, electrical equipment and anti-thunder equipment. It can also measure the earth voltage. It is applicable to testing operating earth systems of smelting, communication, manufacture, fossil oil, national defense, electricity, chemical industry and construction.

Parameter

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)
AC earth voltage (V)	Frequency: 50Hz/60Hz	√
Features
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 (Battery Not Include)
Display	70.6mm x 34mm
Product color	Red and grey
Product net weight	560g
Product size	160mm x 100mm x 70.5mm
Standard accessories	simple test leads with alligator clips, standard test leads with alligator clips, earth spike, gallus