Differential air pressure relays with light and sound indication SR..
The pressure switches SR.. with light and sound indication are intended to indicate fan operation, filter contamination in ventilation systems.
TECHNICAL DATA
- For differential pressure indication.
- Contact voltage: 230 VAC.
- Protection class: IP54.
- Max. operating pressure: 5kPa.
- Measured gases: air, non-combustible, and non-aggressive gases.
- Operating temp. range: -40°C to 85°C.
- Mounting: in any vertical position.
- Pressure connections: 2 plastic pipe connection pieces(P1 and P2), external diameter 6.0 mm; P1 for connection to higher pressure (marked +) P2 for connection to lower pressure(marked -).
- Tolerance: 15%.
- Weight: 200 g.
