UNI-T UT273+ Clamp Earth Resistance Tester

UNI-T UT273+ Clamp Earth Resistance Tester

10 in stock

SKU: Met#22



  • Earth resistance test (0 ~ 600Ω)
  • Current test (0 ~ 20A)
  • Large black screen (32mm)
  • Large jaw size
  • Strong anti-interference
  • Alarm function
  • Data storage (500 sets)

Technical Specifications

Specifications Range Accuracy
Earth resistance (Ω) 0.010Ω-0.199Ω ±(1%+0.02Ω)
0.20Ω-1.99Ω ±(1%+0.05Ω)
2.0Ω-49.9Ω ±(1%+0.5Ω)
50.0Ω-99.5Ω ±(1.5%+1Ω)
100Ω-199Ω ±(2%+2Ω)
200Ω-395Ω ±(5%+5Ω)
400-590Ω ±(10%+10Ω)
590Ω-600Ω ±(20%+20Ω)
Current (AC) 1.00mA -9.99mA ±(2.5%+1mA)
10.0mA -99.9mA ±(2.5%+5mA)
100mA -999mA ±(2.5%+10mA)
1.00A-9.99A ±(2.5%+0.2A)
10.0A-20.0A ±(2.5%+0.5A)
Jaw size 55mm×32mm
Sample rate 1 time/s
Screen 4 digits EBTN screen
Data transmission √(USB cable)
Data storage 500 set
Overload protection
Alarm function
Battery state indication
Auto power off
Overvoltage category CAT III 300V, CAT IV 150V
Certificates ROW
General Characteristics
Standard accessories User manual, AA alkaline 4pcs, calibration loop, USB cable(data transmission), tool box
Screen size 46mm×36mm
Product dimension 285mm×85mm×58mm(L*W*H)
Product net weight 1180g(batteries included)
Standard individual packing Gift box, tool box


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