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MRU-21 Earth Resistance Meter
- Vendor:
superworld
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Earth Ground Resistance Testers
UT278A Clamp Earth Ground Testers
Availability:
Out of stock
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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Out of stock
CompareUT270 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.
| 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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