Digital Insulation Tester Megohmmeter

Digital Insulation Tester Megohmmeter

The HM2671 megohmmeter is constructed using medium- and large-scale integrated circuits. This meter features high output power, high short-circuit current, and multiple output voltage levels (each model offers four voltage levels). The operating principle involves using the internal battery as a power source to generate high-voltage DC through a DC/DC converter. This voltage is applied from the E terminal through the device under test to the L terminal, thereby generating a current from E to L. After I/V conversion and processing via a divider, the measured insulation resistance value is directly displayed on the LCD.
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Description
Technical Parameters

Wuhan Goldhome Hipot Electrical Co., Ltd. is one of the leading manufacturers and suppliers of digital insulation tester megohmmeter in China. With abundant experience, our factory offer high quality customized products made in China with competitive price. Welcome to contact us for quotation.

 

Product Overview 

 

The HM2671 megohmmeter is constructed using medium- and large-scale integrated circuits. This meter features high output power, high short-circuit current, and multiple output voltage levels (each model offers four voltage levels).

The operating principle involves using the internal battery as a power source to generate high-voltage DC through a DC/DC converter. This voltage is applied from the E terminal through the device under test to the L terminal, thereby generating a current from E to L. After I/V conversion and processing via a divider, the measured insulation resistance value is directly displayed on the LCD.

 

Features & Advantages

 

  • High-strength aluminum alloy housing with equipotential protection ring and fourth-order active low-pass filter – effectively shields against external power-frequency and strong electromagnetic fields.
  • When measuring capacitive DUTs, output short-circuit current >1.6 mA ensures test voltage rapidly rises to the rated value.
  • Proportional measurement method eliminates voltage drop errors in low-resistance testing.
  • Battery-powered with automatic range switching.
  • Direct measurement of short-circuit output current – no load-based estimation required.

 

 

Technical Specifications

 

1. Output voltage , measurement range, error,resolution

 

Model

Output voltage

measurement range

error

resolution

HM2671

500V,1000V

2000V,2500V

0~19990

MΩ

≤±5%±1d

0.01MΩ,0.1MΩ,

1.0MΩ,10.0MΩ

 

2. load capacity and short circuit current

 

Model

Voltage(max)/

load

Voltage sag

Short current

HM2671

2500V/20MΩ

around 10%

>1.6mA

 

3.Dimensions: 220 mm × 200 mm × 105 mm;
4.Weight: <1.4 kg

 

 FAQs

Q: In which fields can this be used, and for what insulation resistance values is it suitable?

A: Electric power, postal and telecommunications, communications, electromechanical installation and maintenance, and energy; transformers, motors, cables, and electrical equipment, etc.

Q: Can low resistance values be measured?

A: Yes, it is designed using the ratio method.

Q: Can short-circuit current be measured directly?

A: ​Yes, it can be measured directly.

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