HT2671 Insulation Resistance Tester

HT2671A Insulation Resistance Tester

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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Product Introduction

The HT2671A 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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Product Parameters

Technical parameters

The rated voltage 100V 250V 500V 1000V 2500V
Measuring range
















The open circuit


DC 100V+10% DC 250V+10% DC 500V +20% DC 1000V+20% DC 2500V+20%

Standard measuring


0.5MΩ When the load


0.5MΩ When the load


0.5MΩ When the load


1.0MΩ When the load


2.5MΩ When the load


Short circuit about 1.3mA
precision ±5%rdg±5dgt

Voltage Measurement

AC Voltate
Range 30-600V (50/60Hz)
Resolution 1V
Accuracy ±2%rdg±3dgt

Technical specification

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.

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Product Characteristics Product Characteristics

Product Picture

Product attachment pictures


Product Certificate

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.

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