Description

The UNI-T UT521 Digital Earth Tester is a reliable and professional test and inspection instrument designed for accurate measurement of earth resistance and AC earth voltage in electrical and grounding systems. Built for industrial and field applications, it combines precision, safety, and ease of use in a robust, portable design.

This manual-ranging earth tester supports both 2-wire and precision 3-wire testing, making it suitable for a wide range of grounding measurements. Its large backlit LCD and intuitive rotary dial ensure clear readings and straightforward operation, even in challenging environments.

Key Features & Specifications:

• Earth Resistance Measurement Ranges:

  • 0–20Ω (±(2% + 10))

  • 0–200Ω (±(2% + 3))

  • 0–2000Ω (±(2% + 3))

• AC Earth Voltage: 0–200V

• Display: 2000-count large LCD with integrated backlight and full icon display

• Testing Methods: 2-wire testing and precision 3-wire testing

• Memory: Limited internal memory storing up to 20 records

• Data Hold: Temporarily stores the last measured value

• Auto Power-Off: After 10 minutes of inactivity to conserve battery life

• Low Battery Indicator: Alerts when battery replacement is required

• Safety Protection: Double insulation protection

• Frequency Compatibility: Suitable for both 50Hz and 60Hz systems

• Controls: Rotary dial selection with clearly labeled V, E, P, and C terminals

Compliance & Safety:

• Standards: EN 61010-1, EN 61326-1

• Safety Rating: CAT III 600V

Accessories Included:

• UNI-T UT521 Digital Earth Tester

• Three test leads (Green, Yellow, Red)

• Two alligator test leads (Green, Red)

• Two auxiliary earth stakes

• English user manual

• Carrying bag

Applications:

• Electrical grounding and earthing system testing

• Engineering and field work inspections

Product Condition: New

The UNI-T UT521 Digital Earth Tester delivers accurate measurements, dependable safety features, and convenient data handling, making it an essential tool for professionals who require precise and efficient earth resistance testing.