UNI-T UT278C Ground Pile Clamp Earth Resistance Tester
UT278C & UT278D Earth Clamp Meter, also called Loop Resistance Tester, is used for grounding resistance test. It has multiple functions such as clamping measurement, 3- or 4-wire measurement, voltage/current measurement,...
UT278C & UT278D Earth Clamp Meter, also called Loop Resistance Tester, is used for grounding resistance test. It has multiple functions such as clamping measurement, 3- or 4-wire measurement, voltage/current measurement, data storage/viewing, alarming, auto power off and more. With fast filtering technology employed, interference can be minimized.
Designed with 2.4-inch color screen, UT278C/D is characterized by aesthetic appearance, easy to carry, wide range, high resolution, stable performance, strong anti-interference ability. It is mainly used to measure ground resistance of power distribution lines, gas stations, grounding grids, lightning rods, telecommunication, electric power, meteorology, oil fields and others.
Features of UT278C Ground Pile Clamp Earth Resistance Tester
- 2.4-inch color LCD
- Earth resistance measurement
- Leakage current measurement
- Load current measurement
- Grounding voltage measurement
- Soil resistivity measurement
- Alarm function
- USB data transfer
- Built-in rechargeable lithium battery
Technical Specifications of UT278C Ground Pile Clamp Earth Resistance Tester
| Technical Specifications | ||
| Function | Range (UT278C) | Range (UT278D) |
| Ground Resistance | 0.00Ω–1800Ω | 0.00Ω–2000Ω |
| Leakage current | 0.000A–50A | 0.000A–60A |
| Current resolution | 1uA | 1uA |
| 3 or 4-wire method resistance | 0.00Ω–30KΩ | 0.00Ω–30KΩ |
| Soil Resistivity | 0.00Ω–9999KΩ | 0.00Ω–9999KΩ |
| Ground voltage | 600V | 600V |
| Accuracy Guaranteed Temperature Humidity |
23℃±5℃，below 75%rh | 23℃±5℃，below 75%rh |
| Features | ||
| Power supply | 1, DC 3.7V lithium battery;
2, Real-time display of battery power, reminding to charge in time |
|
| Jaw size | 68mm | |
| Screen | 2.4 inch (46*29mm) color LCD | |
| Measurement time | 1 time/sec | |
| USB data upload | The stored data can be uploaded, saved and printed. | |
| Data storage | 500 set | |
| Overload | Overload indication “OL” | |
| Backlight | √ | |
| Alarm function | √ | |
| Auto power off | Around 15 minutes | |
| Power consumption | 750mA MAX | |
| Overload protection | √ | |
| Weight | 975g (including battery) | |
| Operating temperature | -10℃ — 50℃; below 80%RH | |
| Storage temperature | -10℃ — 60℃; below 70%RH | |
| Insulation resistance | >20MΩ (500V between circuit and case) | |
| Withstand voltage | AC 3700V/RMS (between circuit and case) | |
| External magnetic field | ＜40A/m | |
| External electric field | ＜1V/m | |
| Applicable safety regulations | IEC61010-1; IEC61010-031; IEC61557-1(Ground resistance); CAT Ⅲ 300V, CAT IV 150V; Pollution degree: 2 |
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