UNI-T UT522 Earth Resistance Tester

The UT520 series is designed for precise earth resistance measurements using both 3-wire and simple 2-wire testing methods, making it ideal for power and electrical systems, lightning protection equipment, and grounding systems for all electrical devices.

Key features include:

• Earth Resistance Measurement Range:

  • 0 to 40Ω, with an accuracy of ±(2%+20)
  • 0 to 400Ω, with an accuracy of ±(2%+3)
  • 0 to 4000Ω, with an accuracy of ±(2%+3)

• AC Earth Voltage Measurement Range: 0 to 400V, with an accuracy of ±(1%+6)

• Frequency: 50Hz/60Hz

• Display: 4000 count LCD with full icon display and backlight

• Data Storage: 20 groups of measurement data with recall function

• Other features:

  • Manual range selection
  • Over-range indication and test lead connection alarm
  • Data hold for retaining measurement values
  • Auto power off after approximately 10 minutes of inactivity
  • Low battery indication
  • EST button for quick value capture
  • Double insulation protection
  • Contact badness indication

• Power: 6 x 1.5V batteries (size 5#)

• Product Dimensions: 160mm x 100mm x 70.5mm

• LCD Size: 70.6mm x 34mm

• Weight: 560g

• Included Accessories: Batteries, carrying bag, test lead, simple test lead, and test probe

• Warranty: 1 year