

- Stock: In Stock
- Model: UT521 UNI-T
UT521 Digital Earth
Tester
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 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 |