GM-20kV Insulation Resistance Tester-Catalog

Product catalog summary

Product Introduction
The GM-20kV Insulation Resistance Tester by Wuhan UHV Power Technology Co., Ltd. is designed for testing the insulation resistance of large high-voltage transformers and electrical appliances. It is particularly suitable for high-interference environments such as high-voltage substations and power plants. The tester combines analog and digital circuits with mechanical operations, offering high output voltage, current, measurement range, accuracy, and anti-interference capabilities.

Product Features

Anti-Interference: Capable of handling electric field induction interference up to 2mA (50Hz), suitable for 500,000-volt transformers.
Short-Circuit Current: Typical value of 10mA, ideal for large capacity and inductance tests.
Measurement Range: From 0.01MΩ to 1999GΩ with high accuracy and resolution.
Output Voltage Range: Adjustable from 0V to 20kV, with selectable levels.
Acousto-Optic Reminder: Features timing and timekeeping for recording absorption ratio and polarization index.
High Quality: Uses imported components for precise measurements.
Portability: Compact, lightweight, and easy to carry.
Durability: Made with strong, abrasive materials for extended service life.

Technical Parameters

Output Voltage Levels: 0.5, 1, 2.5, 5, 10, 20kV.
Test Voltage Accuracy: ±(5%＋10V).
Resistance Measurement Accuracy: Varies by range, with up to ±(20%+10d) for the highest range.
Anti-Interference Ability: 2mA (50/60Hz).
Time and Alarm Functions: Stopwatch cycles every 20 minutes with audible alarms.
Display: Three LCD digital meters for voltage, resistance, and time.
Power Supply: Built-in rechargeable lithium battery with AC adapter.
Operating Environment: Temperature range of -20℃ to +40℃, humidity 20% to 90%.
Dimensions and Weight: 315×240×180mm, 5.5kg.

Catalog excerpts

GM-20kV Insulation Resistance Tester-Catalog-1

Wuhan UHV Power Technology Co.,Ltd.

Open the catalog to page 1

GM-20kV Insulation Resistance Tester-Catalog-2

Wuhan UHV Power Technology Co.,Ltd. With the rapid development of China's electric power industry, preventive experiments on electrical appliances are an important link in ensuring the safe operation and maintenance of power systems. Insulation diagnosis is an important means for detecting insulation or failure of electrical equipment. At present, electrical equipment (such as transformers, generators, etc.) is trending toward large capacity, high voltage, diverse structures, and sealing. This requires that the insulation resistance tester has the characteristics of large capacity, strong anti-interference...

Open the catalog to page 2

GM-20kV Insulation Resistance Tester-Catalog-3

Wuhan UHV Power Technology Co.,Ltd. 7. Convenient to use: Adopt integrated chassis, small size, light weight, easy to carry 8. Beautiful appearance: the use of strong and abrasive materials makes the instrument's overall texture and service life longer

Open the catalog to page 3

GM-20kV Insulation Resistance Tester-Catalog-4

Wuhan UHV Power Technology Co.,Ltd. GM-20kV Insulation Resistance Tester Push to Test Voltage Ranee Voltage Adjust Resistance Range Wuhan UHV Power Technology Co.,Ltd

Open the catalog to page 4