Features of UT278B & UT278C & UT278D Series Ground pile clamp earth resistance tester
UT278D
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UT278D Series grounding clamp meter are used for the grounding resistance test. With clamp measurement, 3-wire or 4-wire measurement, voltage/current measurement, data storage/view, alarm, automatic shutdown, and other functions.
Features of UT278B & UT278C & UT278D Series Ground pile clamp earth resistance tester
Certifications (UT278 series only): ROW
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UNI-T UT278D Ground Pile Clamp Earth Resistance Tester
UT278D Series grounding clamp meter are used for the grounding resistance test. With clamp measurement, 3-wire or 4-wire measurement, voltage/current measurement, data storage/view, alarm, automatic shutdown, and other functions.
Features of UT278B & UT278C & UT278D Series Ground pile clamp earth resistance tester
Certifications (UT278 series only): ROW
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Specifications | |
Function | Range (UT278D) |
Ground Resistance | 0.00Ω–2000Ω |
Current (AC) | 0.000A–60A |
Current resolution | 1uA |
3 or 4-wire method resistance | 0.00Ω–30KΩ |
Soil Resistivity | 0.00Ω–9999KΩ |
Ground voltage | 600V |
Accuracy Guaranteed Temperature Humidity |
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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