Uni-T UT278A+ Clamp Earth Ground Tester

SKU: UT278A+
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It can measure resistance from 0.01Ω with a resolution of 0.001Ω.

Description

UT270+ series can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need of auxiliary electrodes. It can measure resistance from 0.01Ω with a resolution of 0.001Ω. These clamps’ double insulation design makes them durable tools for outdoor work and effective in blocking interference from the environment.

FEATURES:

  • Auto range
  • Data hold
  • Data recall
  • LCD backlight
  • Resistance limit alarm
  • Low battery indication
  • Auto calibration.

INCLUDES:
1 x  UUT278A+, Batteries, test ring, 1 x English manual and 12-month warranty.

SPECIFICATIONS:

Specifications Range UT276A+ UT278A+
Earth Ground Resistance (Ω) 0.01~0.099Ω ±(1%+0.01) ±(1%+0.01)
0.1~0.99Ω ±(1%+0.01) ±(1%+0.01)
1~49.9Ω ±(1%+0.1) ±(1%+0.1)
50~99.5Ω ±(1.5%+0.5) ±(1.5%+0.5)
100~199Ω ±(2%+1) ±(2%+1)
200~395Ω ±(5%+5) ±(5%+5)
400~590Ω ±(10%+10) ±(10%+10)
600~800Ω ±(20%+20)
600~1000Ω
800~1200Ω ±(25%+30)
Leakage current (A) 0mA~9mA ±(2.5%+1mA)
10mA~99mA ±(2.5%+5mA)
100mA~299mA ±(2.5%+10mA)
0mA~299mA
0.3A~2.99A ±(2.5%+0.1A)
3A~9.9A ±(2.5%+0.3A)
10A~20A ±(2.5%+0.5A)
3A~30A
Display count 4 digits LCD display
Jaw opening 32mm 32mm
Visual and audible alarm
Auto power off
Jamming signal recognition
Over-range display
Data storage 300 300
Display type EBTN EBTN
Ω+A display
General Characteristics
Power 1.5V battery (LR6) x 4
Display 47mm x 28.5mm
Product net weight 1.18kg
Product size 285mm x 85mm x 56mm
Standard accessories Batteries, test ring, English manual
Standard individual packing  Box, toolbox

Documents

Uni-T UT278A+ Clamp Earth Ground Tester English Manual

Uni-T UT278A+ Clamp Earth Ground Tester Product Flyer