UNI-T UT278A+ Clamp Earth Tester Resistance Data Storage Visual/Audible Alarm✦Kd

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UT278A+ Clamp Earth Ground Tester
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. UT278A+ can also measure leakage current up to 20A. These clamps'double insulation design makes them durable tools for outdoor work and effective in blocking interference signals from the environment.
Grounding resistance measurement in electricity, telecommunication, meteorology, oilfield, architecture and industrial electric equipment
1. Wide ground loop resistance measurement range (0-1200Ω), which can meet most of the user's measurement requirements;
2.32mm large jaws, can test various grounding levels and equipotential busbars;
3. AC current measurement range 0-20A(UT278A+ only), and can detect leakage current below 300mA, can be measured without disconnection, which is very suitable for system fault diagnosis;
4. User-defined HI/LO alarm limits;
5. Data retention function for obtaining stable readings in places that are difficult to access;
6. Time-saving storage function is convenient for users to consult the test data to draw a table report after measurement;
7. With CAT III 300V safety level
Specifications
Range
Resolution
Accuracy
Earth Ground Resistance (Ω)
0.010Ω-0.099Ω
0.001Ω
±(1%+0.01Ω)
0.1Ω-0.99Ω
0.01Ω
±(1%+0.01Ω)
1.0Ω-49.9Ω
0.1Ω
±(1%+0.1Ω)
50.0Ω-99.5Ω
05Ω
±(1.5%+0.5Ω)
100Ω-199Ω
1Ω
±(2%+1Ω)
200Ω-395Ω
5Ω
±(5%+5Ω)
400Ω-590Ω
10Ω
±(10%+10Ω)
600Ω-880Ω
20Ω
±(20%+20Ω)
900Ω-1200Ω
30Ω
±(25%+30Ω)
Leakage current (A)
0.00mA-9.95mA
0.01mA
±(2.5%+1mA)
10.0mA-99.0mA
0.1mA
±(2.5%+5mA)
100mA-300mA
1mA
±(2.5%+10mA)
0.30A-2.99A
0.01A
±(2.5%+0.1A)
3.0A-9.9A
0.1A
±(2.5%+0.3A)
10.0A-20.0A
0.1A
±(2.5%+0.5A)
model
resistance range
Current range
--
UT278A+
0-1200Ω
0-20A
--
Package contents:
1*Clamp Earth Ground Resistance Tester
2*Test Ring
1*Tool Box
1*Color Box
Please note: Battery not included !!!
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