Siemens QVE2000.010, S55720-S189 Flow sensor made from fiber-glass reinforced plastic for liquids in DN 10 pipes, DC Output: 0...10 V For continuous flow measurement and monitoring of liquids such as hot water, heating water, or standard water-glycol...

Siemens QVE2000.020, S55720-S191 Flow sensor made from fiber-glass reinforced plastic for liquids in DN 20 pipes, DC Output: 0...10 V For continuous flow measurement and monitoring of liquids such as hot water, heating water, or standard water-glycol...

Siemens QVE1902.010, S55720-S199 Flow switch for liquids in piping DN 10 For monitoring the flow of liquid medium in HVAC plants Additional info Maximum switching capacity AC 26 VA, DC 20 W  Datasheet

Siemens QVE1902.020, S55720-S201 Flow switch for liquids in piping DN 20 For monitoring the flow of liquid medium in HVAC plants Additional info Maximum switching capacity AC 26 VA, DC 20 W Datasheet

Siemens QVE1902.025, S55720-S202 Flow switch for liquids in piping DN 25 For monitoring the flow of liquid medium in HVAC plants Additional info Maximum switching capacity AC 26 VA, DC 20 W Datasheet

Siemens QVE1902.015, S55720-S200 Flow switch for liquids in piping DN 15 For monitoring the flow of liquid medium in HVAC plants Additional info Maximum switching capacity AC 26 VA, DC 20 W Datasheet

Siemens QVE1901 Flow switch for use in hydraulic systems, PN25, DN20...200 For monitoring operation of systems using liquids or gases. Additional info Maximum switching capacity AC 26 VA, DC 20 W Datasheet

Siemens QPM2180 Duct air quality sensor CO2 carbon dioxide and temperature (passive) S55720-S124 Note: Not suited for safety-related applications! Additional info The duct air quality sensor has a selectable passive temperature sensing element,...

Siemens QPM1100, S55720-S123 Duct air quality sensor VOC In air ducts of ventilation and air conditioning plant to enhance room comfort and tooptimize energy consumption by providing demand-controlled ventilation. Datasheet

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 consumption by providing demand-controlled ventilation. Datasheet...

Siemens QPM2162 duct air quality sensor CO2 and temperature and rel. air humidity with display In air ducts of ventilation and air conditioning plant to enhance room comfort and tooptimize energy consumption by providing demand-controlled ventilation...

Siemens QPM2160D Duct air quality sensor CO2+temperature with display In air ducts of ventilation and air conditioning plant to enhance room comfort and tooptimize energy consumption by providing demand-controlled ventilation. Datasheet