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SF6 Gas Insulated Switchgear (GIS)
SF6 Insulated Circuit Breakers
SF6 Insulated Pole-Mounted Switch
SF6 Insulated Transformers
SF6 Insulated Mutual Inductor
SF6 Insulated Busbar Systems
The temperature compensation unit ensures greater accuracy of instrumentation pressure measurement.
Suitable for installation indoors or outdoors.
Hermetically sealed case of stainless steel AISI 304
AISI 316 stainless steel gas connexion tubes
The value on site and the output signals are not affected by the external environment (e.g. altitude factor).
The electric contact switch design ensures an accurate and stable gas monitoring system which monitors sf6 density.
Up to four gas density switch contacts can achieve overpressure alarm, dual alarm or double lock, and many other solutions to secure and reliable monitoring
| Case diameter: | 100mm |
| Scale range: | -0.1 to 0.9MPa (customizable) |
| Accuracy: | (related to the measuring span; SF6 in gas phase) |
| a) At 20°C: | Class 1.0 or 1.5 |
| b) -40°C to +60°C: | Class 2.5 |
| Degree of protection: | IP65 |
| Ambient conditions: | -40°C to +60°C, relative humidity≤95%RH |
| Leakage rate: | ≤1 × 10-9 Pa·m3/s （Helium leakage inspection) |
| Interface size: | M20 × 1.5, (customizable) |
| Installation method: | radial or axial |
| Electrical connection: | Plug-in connection M20 × 1.5 sealing head |
| cable size: | 1.5mm2 recommended, 2.5mm2 maximum |
| Insulation properties: | |
| Insulation resistance: | >100 MW (DC 500V) |
| Withstand voltage: | 2kV, 50/60 Hz 1 min |
| Contact type: | Magnetic snap-action switch |
| 80%Ag, 20%Ni, 10µm Au plated | |
| Impact rating: | 50g (oil-filled), 30g (non-oil-filled) |
| Contact electrical parameters: | 30W/50VA, 1A (maximum) |
| 220VDC/380V 50/60Hz (maximum) | |
| Watch glass: | Laminated safety glass |
| Weight: | 1.0kg |
| Pressure element: | European bourdon tubes |
Oil-filled
Full Range Indication: Class 1.0
Power-frequency withstand voltage: 2.5kV 50/60 Hz 1minli
Wide temperature range -60°C to +60°C
Can detect SF6, Air, N2, SF6 + N2 and other gases
