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SF6 Micro-water Detector

Based on advanced detection technology, control technology, communication technology and years of research on metal-enclosed switchgear, we successful developed SF6 gas micro-water density comprehensive on-line monitoring device. It is mainly applied for real-time integrated on-line monitor moisture, pressure, relative moisture, density and moisture. The device is especially used on SF6 GIS, to realize the automation of power distribution and equipment maintenance.

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Technical Parameters
1) Moisture Index
Measuring scope: 50 ～ 1000 ppmv
Operation pressure: -0.1 ～ 0.9 MPa
Measuring accuracy: ≤ ±1％
Alarm limitation: 300 ppmv(or set as requirement)
2) Density Index
Measuring scope: -0.1～0.9MPa
Measuring accuracy: ±1%
Alarm limitation: 0.45 MPa(or set as requirement)
Lockout limitation: 0.40 MPa(or set as requirement)
3) Other Index or Function
Display mode: Four transistor displays or OLED big screen display (192X64 dot)
Communication interface: RS-485
Communication speed: 9600 bps(or set as requirement)
Power voltage: AC 220V ±15%
Operation condition: Moisture －25 ℃～+55 ℃; Relative moisture ≤95%