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UT278A Clamp Earth Ground Tester
UNI-T’s UT278A is a 1200Ω auto range clamp earth ground tester of resistance and 30A leakage current with 1s single measuring time and current limit alarm.
Features
1. 10000 display count
2. 0.001Ω resolution
3. Auto range
4. Data hold
5. Resistance limit alarm
6. Auto calibration
7. Auto power off
8. LCD backlight
Accessories
Batteries, Test Ring, Tool Box
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Specifications |
Range |
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) |
|
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3.0A-9.9A |
±(2.5%+0.3) |
|
|
10.0A-20.0A |
±(2.5%+0.5) |
|
|
3A-30A |
±(2.5%+0.5) |
|
|
General Characteristics |
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Power |
1.5V Alkaline Battery (5#) X4 |
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|
LCD Size |
47mm X 28.5mm |
|
|
Product Color |
Red and Grey |
|
|
Product Weight |
1160g |
|
|
Product Size |
285mm X 85mm X 56mm |
|
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Standard Accessories |
Batteries, Test Ring, Tool Box |
|
|
Standard Individual Packing |
Gift Box, User Manual |
|
|
Standard Quantity Per Carton |
6pcs |
|
|
Standard Carton Measurement |
610mm X 375mm X 320mm |
|
|
Standard Carton Gross Weight |
25kg |
|
|
Optional Accessories |
RS232 Interface Cable, PC Software CD |
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