Mainly used to check the electrical equipment or electrical line insulation resistance to the ground and phase to ensure the normal operation of these equipment
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The UHV-2671A digital Megabyte produced by Wuhan UHV consists of medium and large scale integrated circuits.The output power of this meter is large, the short-circuit current value is high, the output voltage level is many.The working principle is that the DC high voltage generated by DC/DC transformation of the in-machine battery as the power source is transferred from the E pole to the L pole through the tested product, thus generating a current from E to L pole. After I/V transformation and division, the measured insulation resistance value is directly displayed by the LCD.
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The rated voltage | 100V | 250V | 500V | 1000V | 2500V |
Measuring range |
0.0-10MΩ 10-100MΩ 100-200MΩ |
0.0-10MΩ 10-100MΩ 100-500MΩ |
0.0-99.9MΩ 100-999MΩ |
0.0-99.9MΩ 100-999MΩ 1.00-19.9GΩ |
0.0-99.9MΩ 100-999MΩ 1.00-9.99GΩ 10.0-49.9GΩ |
The open circuit voltage |
DC 100V+10% | DC 250V+10% | DC 500V +20% | DC 1000V+20% | DC 2500V+20% |
Standard measuring current |
0.5MΩ When the load 0.2mA-0.25mA |
0.5MΩ When the load 0.5mA-0.55mA |
0.5MΩ When the load 1mA-1.1mA |
1.0MΩ When the load 1mA-1.1mA |
2.5MΩ When the load 1mA-1.1mA |
Short circuit | about 1.3mA | ||||
precision | ±5%rdg±5dgt |
AC Voltate | |
Range | 30-600V (50/60Hz) |
Resolution | 1V |
Accuracy | ±2%rdg±3dgt |
Parameter | Index |
LCD display | Max 999 counts |
Over range indication |
OL:appears on insulation resistance LO:appears on voltage |
Auto range |
Rang shift to upper range: 1000 counts Range shift to lower range: 95 counts (only on insulation) |
Sampling rate | 0.5-10 times/sec |
Operation | ≤2000m(indoor use) |
The operating environment | The temperature:0°C-40°C humidity:≤85% |
Storage environment | The temperature:-20°C-60°C humidity:≤90% |
Overload protection |
Insulation resistance range:AC 1200V/10 seconds Voltage range:AC 720V/10 seconds |
Withstand voltage | AC 8320V(50/60Hz)/5 seconds (between circuit and periphery) |
Insulation impedance | >1000MQ/DC 1000V(Between the circuit and the periphery) |
power supply | DC9V(6*l.5V AA battery) |
Battery | approx. 800mA(max) |
Battery life | approx. 15 hours |
Dimension | 125.4 x 174.6 x 69mm |
Weight | 547.44g (without battery and test wire) |
1.The appearance of the product shall be subject to the actual product,technical parameters with model if there are any changes,without notice.In case of misappropriation or copying, legal liability will be investigated.
2. For more information about Wuhan UHV, please enter product center . Service email:info@hvtest.cc
Enterprise products in strict accordance with international and national standards and rules of industry production, through the national, provincial and municipal electric power research institute and electric power authorities detection, measuring center, fully passed the ISO9001 international quality management system certification, the licence for manufacturing measuring instruments of the People's Republic of China, GB/T19001-2016 quality management system requirements, GB/T24001-2016 environmental management system requirements, GB/T45001-2020 occupational health and safety management system requirements.
email: info@hvtest.cc
Skype: Tina Qiao
+8615172408058