UNI-T Earth Ground Testers UT522

Earth Resistance Testing 0 ~ 40W
0 ~ 400W
0 ~ 4000W

±2%rdg±0.2W
±2%rdg±3dgt
±2%rdg±3dgt
Earth Voltage Testing 0~400Vac(50/60Hz) ±1%rdg±6dgt
Special Functions
Data Hold
Backlight Display
Data Logging 20
Battery Check
Sleep Mode Around 10 Minutes
Full Icon Display
Over-range Display Display OL
Contact Badness Display C Port or E Port don t contact Display - - - - W
Simple 2-Wires Testing
Precision 3-Wires Testing
Double Insulation Protection