Siemens QPM duct air quality sensors

Siemens QPM2150/MO, S55720-S470 Duct air quality sensor for use in air ducts of ventilation and air conditioning plant to enhance room comfort and to optimize energy consumption by providing demand-controlled ventilation CO2 and temperature...

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 QPM2160 Duct air quality sensor CO2+temperature In air ducts of ventilation and air conditioning plant to enhance room comfort and tooptimize energy consumption by providing demand-controlled ventilation. Datasheet