Digital Megger

GM-10kV Megohmmeter

It is suitable for testing the electrical insulation resistance of high voltage substation, power plant, remote power cable or buried cable

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Product Introduction

With the rapid development of China's electric power industry, electrical preventative test is an important link to ensure the safe operation and maintenance of the power system, and insulation diagnosis is an important means to detect the insulation or fault of electrical equipment.

At present, electrical equipment (such as transformers, generators, etc.) to the large capacity, high voltage, structural diversification and sealing trend.This requires the insulation resistance tester has a large capacity, strong anti-interference ability, easy to carry and other characteristics.For this reason, our company has specially designed and developed the instrument for testing the electrical insulation resistance characteristics of large high-voltage transformers, motors, electric appliances, remote power cables or buried cables under the strong interference of high-voltage substations and power plants.

Combined with the advantages of analog circuit, digital circuit and mechanical operation, the instrument has achieved a leading position in China in terms of output voltage, output current, measurement range, measurement precision and anti-interference ability。

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Product Parameters

Technical parameters

Output voltage class 0.25kV、0.5kV、1kV、2.5kV、5kV、10kV
Test voltage precision ±(5%+10V)
Short circuit current Typical values 10mA

Range and accuracy


Resistance measurement

effective range

20MΩ 0.01~19.99MΩ ±(5%+3d)
200MΩ 5.0~199.9MΩ ±(5%+3d)
2000MΩ 50~1999MΩ ±(5%+3d)
20GΩ 0.5~19.99GΩ ±(5%+3d)
200GΩ 5.0~199.9GΩ ±(10%+3d)
2000GΩ 50~1999GΩ ±(20%+10d)

Basic parameters

Resistance to electric field interference 2mA(50/60Hz)
Time and alarm functions

The stopwatch shows a maximum of 19 minutes and 59 seconds.A cycle of 20 minutes.Sound points are 15 seconds,

60 seconds, per minute

A short sound is reported at the point of arrival, and the resistance reading is maintained for 3 seconds.

The resistance under test is below the lower limit of range. If the reading is invalid, a continuous sound alarm will be


According to the table Three half LCD digital meter head, respectively display the test voltage, resistance, time
The power supply It is equipped with a rechargeable lithium battery, DC15VThe power supply.With ac (50/60hz) special adaptor to

charge the battery

Using the environment The temperature:-20℃~+40℃;Relative humidity:20%~90%
volume 315×240×180mm(Length x width x height)
The quality of 5.5kg

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

 Adjustable HV Digital Megohmmeter     Adjustable HV Digital Megohmmeter     Adjustable HV Digital Megohmmeter     Adjustable HV Digital Megohmmeter  Adjustable HV Digital Megohmmeter  Adjustable HV Digital Megohmmeter     

Product Picture

Product attachment pictures

Product details

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/T28001-2011 occupational health and safety management system requirements.

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