UT278A Clamp Earth Ground Testers

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UT270 series is widely used in earth ground and circuit resistance measurements of electric power, telecommunications, meteorology, oil field, construction and industrial electrical equipment. It can measure the ground system of the circuit without disconnecting grounding wires, auxiliary electrode. UT278A can also measure leakage current and neutralline current of earth ground system
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UT270 series is widely used in earth ground and circuit resistance measurements of electric power, telecommunications, meteorology, oil field, construction and industrial electrical equipment. It can measure the ground system of the circuit without disconnecting grounding wires, auxiliary electrode. UT278A can also measure leakage current and neutralline current of earth ground system.

Category:
Weight 1.1 kg
Dimensions 28 × 8 × 6 cm
Specifications Range Best Accuracy
Model UT278A
Earth Ground 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)
Features
Display Count 4 Digits Display LCD √
Auto Range √
Jaw Capacity 32mm
Single Measure Time 1 Second √
Resistance Measurement Frequency ＞1KHz √
Current Measurement Frequency 50Hz/60Hz √
Resistance Limit Alarm 1Ω-199Ω √
Current Limit Alarm 1mA-499mA √
Beeper and Light Alarm √
Jamming Signal Recognition √
Over-Range Display √
Low Battery Indication √
Data Logging 99
General Characteristic 
Power 1.5V Alkaline Batteries（LR6）X 4
LCD Size 47mm X 28.5mm
Product Color Red and Grey
Product Net Weight 1160g
Product Size 285mm X 85mm X 56mm
Standard Accessories Batteries, Test Ring, Tool Box
Standard Individual Packing Gift Box, English Manual
Standard Quantity Per Carton 6 PCs
Standard Carton Measurement 610mm X 375mm X 320mm (0.073CBM Per Standard Carton)
Standard Carton Gross Weight 25Kg
Optional Accessories USB Interface Cable,PC Software CD

Brand

UNI T

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