UT275 Clamp Earth Ground Tester can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need for auxiliary electrodes. It can measure resistance from 0.01Ω with a resolution of 0.001Ω. UT275 can also measure leakage current up to 30A. These clamps’ double insulation design makes them durable tools for outdoor work and effective in blocking interference signals from the environment.

Applications of UT275:

Electric power, telecommunication, meteorology, oil field, building, and industry.

Features of UT275:

1. Resistance limit alarm
 2. Auto range
3. Low battery indication
4. Data hold
5. Data recall
6. LCD backlight
7. Auto calibration




Earth Ground Resistance (Ω) 0.01~0.099Ω ±(1%+0.01)
0.1~0.99Ω ±(1%+0.01)
1~49.9Ω ±(1.5%+0.1)
50~99.5Ω ±(2%+0.5)
100~199Ω ±(3%+1)
200~395Ω ±(10%+5)
400~590Ω ±(20%+10)
600~1000Ω ±(25%+20)
Leakage current (A) 0mA~299mA ±(2.5%+2mA)
0.3A~2.99A ±(2.5%+100mA)
3A~30A ±(2.5%+300mA)
Secondary Features
Display count 10000
Jaw opening 28mm
Auto power off
Data storage 30
General Characteristics
Power 1.5V battery (LR6) x 4
Display 47mm x 28.5mm
Product color Red and grey
Product net weight 1320g
Product size 293mm x 90mm x 66mm
Standard accessories Batteries, test ring, tool box
Standard individual packing Gift box, English manual
Standard quantity per carton 5pcs
Standard carton measurement 510mm x 375mm x 320mm
Standard carton gross weight 15.2kg

Package Includes:

  •   1 x UT275 Clamp Earth Ground Tester
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