Multi-funtional duct sensor
For humidity, temperature, pressure, differential pressure and volume flow for monitoring and controlling heating, ventilation and air-conditioning systemsPREMASGARD® 814x-Modbus
Für jede Anwendung die richtige Lösung [Translate]
The room sensor AERASGARD® FSCO2/ FSTM - CO2 in the in-wall housing is used for measuring the CO2 content and temperature of the air. It converts the measured values into a standard signal of 0 -10 V.
The CO2 content of the air is measured using an optical NDIR sensor (non-dispersive infra-red technology). A digital, long-term stable sensor is used for temperature measurement.
The in-wall sensor is mounted in high-quality panel switch programmes, ideally of the brands Gira, Berker, Merten, Jung, Siemens or Busch-Jaeger (using in-wall adapters) either individually or in combination with light switches, socket outlets, etc.
It is used in non-aggressive, dust-free environments, in refrigeration, air conditioning and clean room technology, and in interior rooms, such as living rooms, offices, hotels, etc.
|Voltage supply||24 V AC/ DC (± 10 %)|
|Power consumption||< 1.5 VA/ 24 V DC, < 2.8 VA/ 24 V AC|
|Measuring range, temperature||0...+50 °C|
|Temperature deviation||typically ± 0.8 K at +25 °C|
|Output, temperature||0 - 10 V|
|Measuring range, CO2||0...2000 ppm|
optical NDIR sensor
(non-dispersive infra-red technology),
with manual calibration (via zero button) and
automatic calibration (fixed)
|Output, CO2||0 - 10 V|
|Measuring accuracy, CO2||typically ± 30 ppm ± 3 % of measured value|
|Temperature dependence, CO2||
± 5 ppm/ °C or ± 0.5 % of measured value/ °C
(whichever is higher)
|Pressure dependence||± 0,13 %/ mm Hg|
|Gas exchange||by diffusion|
|Warm up time||approx. 1 hour|
|Response time||< 2 minutes|
digital temperature sensor,
low hysteresis, high long-term stability
storage –35...+85 °C;
operation 0...+50 °C
clean air and
non-aggressive, non-combustible gases
|Electrical connection||0.14 - 1.5 mm², using plug terminals|
plastic, standard colour pure white, glossy (similar to RAL 9010)
(other colours are possible on request with colour variants
depending on the respective light switch programme)
|Installation||in in-wall flush box Ø 55 mm|
< 2 % in 15 years
± 1 %/ year
|Permissible air humidity||max. 90 % r. H., non-precipitating air|
|Protection class||III (according to EN 60 730)|
|Protection type||IP 20 (according to EN 60 529)|
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
GIRA System 55
(other switch programmes, manufacturers, colours
and prices upon request
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