Call: 07076705931
Email: [email protected]
Office Address:
Port Harcourt
17 Sentel East West Road,
Rumuodara, Port Harcourt, Nigeria
Lagos
205, Eko, Plaza,
Cele Bus Stop
Akowonjo, Egbeda
Status: Verified
Price: On Request
Location: Rivers
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.
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
Standards: EN 61010-1, EN 61326-1
Safety Rating: CAT III 600V
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
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.
Call: 07076705931
Email: [email protected]
Office Address:
Port Harcourt
17 Sentel East West Road,
Rumuodara, Port Harcourt, Nigeria
Lagos
205, Eko, Plaza,
Cele Bus Stop
Akowonjo, Egbeda