Product Introduction
The GM-10kV Insulation Resistance Tester by Wuhan UHV Power Technology Co., Ltd. is designed to support the growing demands of China's electric power industry. It is essential for preventive maintenance and insulation diagnosis of electrical equipment like transformers and generators. The tester is suitable for high-voltage environments and offers features such as large capacity, strong anti-interference, and portability.

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

Technical Parameters
Output Voltage Levels: 0.25kV, 0.5kV, 1kV, 2.5kV, 5kV, 10kV
Test Voltage Accuracy: ±(5%＋10V)
Short-Circuit Current: 10mA
Resistance Measurement Range and Accuracy:

• 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:
Anti-electric field interference ability: 2mA (50/60Hz)
Time and alarm functions: Stopwatch up to 19:59 minutes, with alerts at specific intervals.
Display: Three LCD digital meters for voltage, resistance, and time.
Power Supply: Built-in rechargeable lithium battery, DC15V, with AC adapter.
Environment: Operates between -20℃ to +40℃, 20% to 90% humidity.
Dimensions: 315×240×180mm
Weight: 5.5kg

Test Interface and Accessories
The document includes images and descriptions of the test interface and accessories provided with the tester.