SF6 micro water density online monitoring system
The JC-OM500 SF6 gas micro-water density online monitoring system is a key project established by the company in accordance with the development requirements of the national smart grid. This series of products adopts the latest telemetry and remote sensing technology and background computer technology in one, compact appearance, can achieve high-precision measurement, Computer background processing, massive historical data storage and other functions, suitable for on-line measurement of water, density and temperature of SF6 gas of various voltage levels of SF6 circuit breakers, GIS, AIS and other equipment, to achieve no emissions, environmental protection, safety, and real-time , Remote and other advanced dynamic monitoring to meet the needs of power distribution network automation and equipment status maintenance, and to reserve interfaces for the intelligent construction of the power grid. This series of products has advanced technology, filled the domestic gap, and obtained a number of patents.
Measuring range: 20～1000ppm
Measurement accuracy: ±3% F.S.
Alarm threshold: 50~500ppm (adjustable)
Measuring range: 0.01～1.00 MPa
Measurement accuracy: ±0.5% F.S.
Alarm threshold: 0.45 MPa (adjustable)
Locking threshold: 0.40 MPa (adjustable)
Temperature measurement range: -50℃～+99℃
Temperature measurement accuracy: ±1℃
Alarm contact capacity: AC 220V/7A, normally open, normally closed
Communication interface: isolated RS-485
Power supply voltage: 24VDC or 85V～265V AC
Working environment: Temperature: -30℃～+65℃ Humidity: ≤95%RH
Insulation performance: between shell and power supply: >10MΩ
Dielectric strength: between shell and power supply: >2000V
Electromagnetic compatibility characteristics: fast transient pulse group GB/T17626.4-1999 level 3
Lightning strike (surge): GB/T17626.5-1999 level 3