Description:  

UNI-T UT-521 Digital Earth Tester Earth Ground Insulation Resistance Meter Ohmmeter Voltmeter 2000Ω
 

Can be applied to measure all kinds of electric power system， electrical equipment， lightning protection equipment of the grounding system， grounding resistance grounding voltage measurement. Applicable to the smelting， telecommunications， manufacturing， oil， defense， power， chemical industry， construction and other operations of the grounding system tests.

Features: 
 

Display Count: 2000 

Auto Power Off  Around 10 Minutes: √ 

Low Battery Indication: √ 

Data Hold: √ 

Data Logging: 20 

LCD Backlight: √ 

Full Icon Displa: √ 

Double Insulation Protection: √ 

Contact Badness Display: Port C or Port E don`t contact Display"----Ω" 

Over-Range Display: Display "OL" 

Simple 2-Wires Testing: √ 

Precision 3-Wires Testing: √ 

Specifications: 
 

Model: UT521 

Earth Resistance (Ω): 20Ω ±(2%+10) ; 200Ω ±(2%+3) ; 2000Ω ±(2%+3) 

AC Earth Voltage (V): 0~200V ±(1%+4) 

FrequencyΩ50Hz/60Hz 

Power: 6 x 1.5V AA Alkaline Batteries (not included) 

Product Net Weight: 560g 

Product Size: 160mm x 70.5mm x 100mm 

LCD Size: 65mm x 30mm 

Product Color: Red and Grey 

Package Size: 25 x 16 x 14cm / 10 x 6.5 x 5in 

Package Weight: 1967g / 4.3lb 

Package included: 
 

1 x UNI-T UT-521 Digital Earth Tester 

3 x Three Test Lead (Green + Yellow + Red) 

2 x Alligator Test Leads (Green + Red) 

2 x Auxiliary Earth Stakes 

1 x English Manual

Details pictures: