EAN: 6935750552209
Uni-T UT522 Earth Tester
The Uni-T UT522 Earth Tester is a practical device for measuring earth resistance and AC earth voltage, designed for use in electrical installations, power systems, and lightning protection systems. The UT522 model offers a resistance measurement range up to 4000Ω and a voltage range up to 400V, and supports both the simple 2-wire method and the more accurate 3-wire method. Thanks to manual range selection, a clear backlit display, and features such as data hold and bad contact indication, the device is well-suited for daily field work. The compact housing and battery power further facilitate mobile use. The backlit LCD display makes it easy to read results even in low light. The Data Hold function allows you to freeze the result on the screen, which is useful when working in hard-to-reach places. Additionally, the device alerts you when the range is exceeded or when there is poor contact, helping to avoid measurement errors.
Precise measurements in various conditions
The UT522 allows for earth resistance measurement across a wide range up to 4000Ω, making it suitable for both simple installations and more demanding systems. Support for the 3-wire method increases measurement accuracy, making results more reliable for professional applications. The device features double insulation, which enhances user safety when working with electrical installations. Compliance with CE and UKCA certifications confirms adherence to European quality and safety standards.
Included in the set
- Uni-T UT522 Earth Tester
- Batteries
- Straight test leads with alligator clips
- Standard test leads with alligator clips
- Earth test probes
- Carrying strap
| Manufacturer | Uni-T |
|---|---|
| Model | UT522 |
| Earth resistance measurement | 0–40Ω, accuracy ±(2%+20) |
| AC ground resistance measurement | 0–400Ω, accuracy ±(2%+3) |
| AC ground resistance measurement | 0–4000Ω, accuracy ±(2%+3) |
| AC ground voltage measurement | 0–400V, accuracy ±(1%+6) |
| Supported frequency | 50Hz / 60Hz |
| Measurement methods | 2-wire and 3-wire |
| Display | Backlit LCD |
| Counting range | 4000 |
| Power supply | 6 × 1.5V LR6 batteries |
| Dimensions | 160 × 100 × 70.5 mm |
| Net weight | 560 g |
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