UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter
  • UNI-T UT278A Earth Ground Resistance Clamp Meter

  • SKU:10068
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    Price /Unit $406.62 $398.32 $385.88 $369.28 Contact US
UT278A Digital Clamp Grounding ResistanceTester  is widely used in electricity, telecommunications, meteorology, oil, construction and industrial electrical equipment such as grounding resistance measurement, the loop resistance measurement. The measurement circuit grounding system, the need to disconnect the ground deflectors, without auxiliary electrode, safe and fast.

Data / Specification Details :
Basic Function Range Best Accuracy
Model   UT278A
Grounding resistance (Ω) 0.01Ω-0.099Ω ±(1%+0.01)
0.1Ω-0.99Ω ±(1%+0.01)
1.0Ω-49.9Ω ±(1%+0.1)
50Ω-99.5Ω ±(2%+0.5)
100Ω-199Ω ±(3%+1) 
200Ω-395Ω  ±(6%+5)
400Ω-590Ω ±(10%+10)
600Ω-800Ω ±(20%+20)
800Ω-1200Ω ±(25%+30)
Leakage Current (A) 0mA-9mA  ±(2.5%+1)
10mA-99mA  ±(2.5%+5)
100mA-299mA  ±(2.5%+10)
0.30A-2.99A  ±(2.5%+0.1)
3.0A-9.9A  ±(2.5%+0.3)
10.0A-20.0A  ±(2.5%+0.5)
3A-30A ±(2.5%+0.5)
Display Mode 4 Digits LCD Display
Auto Ranging  
Jaw Size   32mm
Single Measurement 1 Second
Resistance Measurement Frequency 1KHz
Current Test Frequency 50Hz/60Hz
Resistance Limits Beeper 1Ω-199Ω
RS-232 Data Transmission 1mA-499mA
Sound and Light Beeper  
Interference Signal Recognition  
Over Range Display  
Low Battery Display  
Data Storage   99 Groups
GENERAL CHARACTERISTICS :
Power 1.5V AA Alkaline Battery (5#) X 4
LCD Size 47 X 28.5 mm 
Prodcut Color Red + Grey
Product Weight 1160g
Product Size 285mm X 85mm X 56mm
Standard Accessories Testing Ring, Protection Box, Battery
* Optional Accessories :
RS-232 Data Cable, Software CD-Rom
Safety Level :-
CAT III 600V
Approval :
CE、IEC:1010-1、IEC:1010-2-032、IEC:61326

 

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