Uni-T UT522 Ground Testers, žema kaina

Uni-T UT522 Earth Resistance Tester

The Uni-T UT522 Earth Resistance 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 result hold and bad contact indication, the device is well-suited for daily field work. The compact housing and battery power further facilitate mobile use.

Precise measurements in various conditions

The UT522 enables 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, ensuring more reliable results in professional applications.

Easy-to-read display and convenient operation

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.

Functionality tailored for field work

Its lightweight design and compact dimensions make the UT522 well-suited for mobile use. Automatic shut-off after approximately 10 minutes reduces battery consumption, and the low-battery indicator helps prevent unexpected interruptions in work.

Safety and reliability

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
Grounding pins
Carrying strap

Manufacturer	Uni-T
Model	UT522
Earth resistance measurement	0–40Ω, accuracy ±(2%+20)
Earth resistance measurement	0–400Ω, accuracy ±(2%+3)
Earth resistance measurement	0–4000Ω, accuracy ±(2%+3)
AC earth voltage measurement	0–400V, accuracy ±(1%+6)
Supported frequency	50Hz / 60Hz
Measurement methods	2-wire and 3-wire
Display	Backlit LCD
Counts	4000
Power supply	6 × 1.5V LR6 batteries
Dimensions	160 × 100 × 70.5 mm
Net weight	560 g

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