SIEMENS

Siemens QBM4000-3, S55720-S248 Air duct differential pressure sensor 0…300 Pa, with calibration certificate Technical data and accessories identical to QBM3...With plug-in connection. ...

Siemens QBM4100-1D, S55720-S252 Air duct differential pressure sensor with display, 0…100 Pa, calibration certificate For use with air and nonaggressive gases. For extremely demanding...

Siemens QBM4100-1U, S55720-S251 Air duct differential pressure sensor, with calibration certificate Datasheet

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

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

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

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

Siemens QFA1000 Room hygrostat, setpoint setting range 30...90 % r.h., setpoint adjuster inside device 2-position controller with humidity sensor Setpoint adjuster inside device Datasheet

Siemens QFA1001 Can be Replaced by QFA1000 Room hygrostat, setpoint setting range 30...90 % r.h., external setpoint adjustment 2-position controller with humidity sensor External setpoint...

Siemens QFA2000 Room sensor for humidity (DC 0...10 V) For relative humidity and temperature. Datasheet

Siemens QFA2001 Room sensor for humidity (DC 4...20mA) S55720-S114 For relative humidity and temperature.   Datasheet