ohm
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
√
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
Display
70.6mm x 34mm
Product color
Red and grey
Product net weight
560g
Product size
160mm x 100mm x 70.5mm
Package Including:
1x UNI-T UT521 EARTH GROUND TESTER
The battery is not included in the package.
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
CONTACT US
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How to choose the correct size:
Step 1 Please measure your foot length carefully.

Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
