EARTH GROUND TESTERS UT522 UNI-T
EARTH GROUND TESTER
| 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 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  | |
| Standard accessories | Batteries, simple test leads with alligator clips, standard test leads with alligator clips, earth spike, gallus | |
