Sensors

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 QBM81-3 Differential pressure monitor, 20...300 Pa Datasheet

Siemens QBM81-5 Differential pressure monitor, 50...500 Pa Datasheet

Siemens QBM81-20, S55720-S125 Differential Pressure Switch for air and nonaggressive gases 200...2000 Pa Datasheet

  Siemens QBM81-50, S55720-S126 Differential pressure monitor, 500...5000 Pa Used as a flow switch or filter monitor in air ducts. Additional info Supplied complete with set of 2 air duct connectors (plastic) and 2 m long PVC tube. Datasheet

Siemens QBM81-10 Differential Pressure Switch for air and nonaggressive gases 100...1000 Pa Datasheet

Siemens QBM2030-5 Differential pressure sensor, 0…200 Pa, 0…250 Pa, 0…500 Pa S55720-S245 With pressure-linear characteristic.For use with air or nonaggressive gases, for general HVAC applications. With diaphragm sensing element...

Siemens QBM2030-30, S55720-S246 Differential pressure sensor, 0…1000 Pa, 0…1500 Pa, 0…3000 Pa With pressure-linear characteristic.For use with air or nonaggressive gases, for general HVAC applications. With diaphragm sensing...

Siemens QBM2030-1U Differential pressure sensor, -50…50 Pa, -100…100 Pa, 0…100 Pa S55720-S244 With pressure-linear characteristic.For use with air or nonaggressive gases, for general HVAC applications. With diaphragm sensing...