UNI-T UT522 Earth Resistance Tester

• Product Summary:
  
  The UT522 tester measures earth resistance using both 2-wire and 3-wire methods. It is perfect for applications in electrical systems, lightning protection, and ground systems.
  
  

• Key Features:

  • Over-range indication and test lead connection alarm

  • Fast value capture with the EST button

  • 20-group data storage and recall

  • LCD backlight and data hold feature

  • Auto power-off and battery check

  • Earth voltage measurement

  • Includes original UNI-T Earth Testing Kit
    
    

• Applications:

  • Power and electrical systems

  • Lightning protection systems

  • Grounding systems for electrical equipment

  • Electrical equipment testing and maintenance
    
    

• Product Benefits:

  • High precision for reliable earth resistance readings

  • Easy-to-read display with full icon and backlight

  • Fast and convenient measurement with simple and 3-wire testing

  • Energy-efficient with auto power off and low battery indicator

  • Compact and lightweight design for portability
    
    

FAQs:

1. Q: What is the accuracy of the UNI-T UT522 Earth Resistance Tester?
   A: The accuracy varies based on the resistance range: ±(2%+20) for 0-40Ω, ±(2%+3) for 0-400Ω, and ±(2%+3) for 0-4000Ω.
   
   

2. Q: Can this tester measure earth voltage?
   A: Yes, the UT522 can measure AC earth voltage up to 400V with an accuracy of ±(1%+6).
   
   

3. Q: How long does the battery last in the UNI-T UT522?
   A: The tester operates on six 1.5V batteries (5#) and features an auto power-off function after approximately 10 minutes of inactivity.