relative pressure sensor / membrane / analog / for HVAC systems
QBE2001, QBE2101 SIEMENS Building Technologies



  • Pressure type:


  • Technology:


  • Output signal:


  • Other characteristics:

    for HVAC systems, for refrigeration circuits

  • Process temperature:

    Min.: -40 °C (-40 °F)

    Max.: 150 °C (302 °F)

  • Pressure range:

    Min.: -1 bar (-14.5 psi)

    Max.: 59 bar (855.72 psi)


Pressure sensors are used for control and monitoring in thousands of everyday applications. These QBE2001../2101-refrigerants relative pressure sensors feature appropriate static and dynamic pressures in HVAC plants measurement specially in liquid hydraulic and refrigeration systems or gaseous media like ammonia. It is equipped with -1…59 pressure bar, -40…150 °C temperature, a supply of AC 24 V / DC 16 (8) …33 V, an output of DC 0...10 V / DC 4...20 mA, and a IP67 protection class.

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