I. Overview

Faults of SF6 electrical equipment are divided into body internal faults and operating mechanism faults.The internal faults involving solid insulation pose the greatest threat to the safety of equipment. The internal faults can be divided into discharge and overheating, and the discharge types can be divided into suspended potential discharge, ground discharge and inter-turn discharge.

At present domestic and foreign commonly used electrical tests are generally carried out in the state of power failure, and the biggest safety hazard insulation but the detection rate is very low. SF6 decomposition detector produced by the company is intelligent, with high sensitivity, stability and convenient operation. It can automatically diagnose and put forward treatment Suggestions according to the detected concentration, providing a simple and effective means for the early detection of internal faults of SF6 electrical equipment.

II. Main technical indexes

1. Minimum detection quantity: 0.1 PPM

2. Stability: When the temperature changes from 20℃ to 40℃, the maximum drift of zero point ≤±0.1ppm

3. Accuracy: When measuring ≤2ppm, the error ≤±0.1ppm

When > 2ppm was measured, the error was ≤±0.2ppm

4. Repeatability: SO2 and H2S are ≤2%

5. Measurement range: 0~100ppm (customizable)

6. Temperature range: -40℃~+50 ℃

7. Humidity range: ≤95%RH

8. Atmospheric pressure: 86kPa~106kPa

9. Self-contained power supply: built-in rechargeable battery, which can work continuously for more than 10 hours after being fully charged

10. Shape: 252×310×98mm

11. Weight: 2.5kG

12. Communication: RS232