UNI-T UT522 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.
Features:
- 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:
| Specifications | Range | UT522 |
| Earth resistance (Ω) | 0~40Ω | ±(2%+20) |
| 0~400Ω | ±(2%+3) | |
| 0~4000Ω | ±(2%+3) | |
| AC earth voltage (V) | 0~400V | ±(1%+6) |
| Frequency: 50Hz/60Hz | √ | |
| Features | ||
| Display count | 4000 | |
| 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 | |
Applications:

Earth resistance measurement

Earth resistance measurement
Package Contents:
- 1x UT522 Digital Earth Tester
- 6x Batteries (1.5V LR6/AA type)
- 1x Simple Test Leads with Alligator Clips
- 1x Standard Test Leads with Alligator Clips
- 1x Earth Spike (Auxiliary Ground Rod)
- 1x Gallus (Shoulder Strap)
- 1x English User Manual
- 1x Carrying Bag






Reviews
There are no reviews yet.