Siemens QPM2162D Duct air quality sensor CO2+temperature+rel. air humidity with display In air ducts of ventilation and air conditioning plant to enhance room comfort and tooptimize energy...

Siemens QVE3000.010, S55720-S211 Flow sensor made from red brass for liquids in DN 10 pipes, DC Output: 0...10 V For continuous flow measurement and monitoring of liquids such as hot water, heating...

Siemens AQR2540NH Stock no. S55720-S143 Base module for temperature and humidity measurement, 83 x 83 mm Datasheet