Siemens Room Air Quality Sensors QPA1000


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Siemens Room Air Quality Sensors QPA1000, used in ventilation and air conditioning plants to enhance room comfort and optimize energy consumption by providing demand-controlled ventilation.

Sensor QPA1000 acquires:

  1. CO2 concentrations as an indication of occupancy in rooms where smoking is prohibited.
  2. Volatile organic compounds (also called mixed gas) concentrations as an indication of odors such as tobacco smoke, body odor, or material fumes in the room.
  3. Sensors QPA10… used as Control sensor

Typical use:

i) Acquisition of CO2 and Volatile organic compounds (also called mixed gas) concentrations:
In party rooms, lounges, fair pavilions and exhibition halls, restaurants, canteens, shopping malls, athletic centers, sales rooms, and conference rooms.

ii) Acquisition of CO2 concentrations:
Rooms with varying occupancy levels where smoking is prohibited, e.g. museums, theaters, movie theaters, auditoriums, office spaces, and school rooms.

Categories: ,
CO2 measuring range

VOC time constant

Slow (R1)
Normal (R2)
Fast (R3)

Temperature measuring range

Humidity measuring range

Display of measured value

Operating Voltage

AC 24 V +/-20 % oder DC15…35 V (SELV)
AC/DC 24 V class 2 (US)

Power Consumption


Degree of protection

Protection degree of housing IP30 according to EN 60529
Protection class III according to EN 60730-1


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