UNI T Earth Resistance Meter Tester UT522 measures the earth resistance of all kinds of the electrical power system; electrical equipment and anti-thunder equipment. This UT-522 earth tester from UNI-T can also measure the earth voltage. This earth resistivity meter is applicable to testing operating earth systems of smelting; communication; manufacture; fossil oil; national defence; electricity; chemical industry and construction. UT520 digital earth tester 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.
Features Of UNI-T UT522 Digital Earth Ground Resistance Tester AC Earth Insulation Resistance Tester:
- Data Hold function
- Reinforced insulation protection
- Over-range indication
- Data logging for 20 data sets
- Battery check function
- Display backlight
- Sleep mode
- Precision 3-Wires Testing
- Double Insulation Protection
Specifications Of Digital Earth Ground Testers UNI-T UT522 Electrical Earth Voltage Device:
| Specifications | Range | UT521 | UT522 |
| Earth resistance (Ω) | 0~20Ω | ±(2%+10) | |
| 0~200Ω | ±(2%+3) | ||
| 0~2000Ω | ±(2%+3) | ||
| 0~40Ω | ±(2%+20) | ||
| 0~400Ω | ±(2%+3) | ||
| 0~4000Ω | ±(2%+3) | ||
| AC earth voltage (V) | 0~200V | ±(1%+4) | |
| 0~400V | ±(1%+6) | ||
| Frequency: 50Hz/60Hz | √ | √ | |
| Features | |||
| Display count | 2000 | 4000 | |
| Manual range | √ | √ | |
| Auto power off | Around 10 minutes | √ | √ |
| Low battery indication | √ | √ | |
| Data hold | √ | √ | |
| Data storage | 20 | 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 |
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| Standard individual packing | Gift box, carrying bag, English manual | ||
| Standard quantity per carton | 8pcs | ||
| Standard carton measurement | 530mm x 300mm x 350mm (0.056 CBM per standard carton) | ||
| Standard carton gross weight | 19kg | ||
Package Includes:
- 1 x Earth Ground Tester UNI-T UT522
- 6 x Battery
- 3 x Test Lead (Green + Yellow + Red)
- 1 x Simple Test Lead
- 2 x Test Probe
- 1 x User Manual
- 1 x Carrying Bag
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