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]
Patented quality product (patent no. DE 10 2014 010 719.1)
The maintenance-free microprocessor-controlled duct sensor AERASGARD® KCO2 - SD with automatic calibration (fixed), housing with snap-on lid, without display, is used for detecting the CO2 content of the air within a range of 0...2000 ppm or 0...5000 ppm. The measurement value is converted into standard signal of 0 -10 V.
The maintenance-free microprocessor-controlled duct sensor AERASGARD® KCO2 - W with automatic calibration (can be deactivated via DIP switches), housing with quick-locking screws, optionally with / without display, is used for detecting the CO2 content of the air within a range of 0...2000 ppm or 0...5000 ppm. The measurement value is converted into standard signal of 0 -10 V or 4...20 mA.
The CO2 content of the air is measured using an optical NDIR sensor (non-dispersive infra-red technology). The detection range of the CO2 sensor is calibrated for standard applications such as monitoring residential rooms and conference rooms. Room ventilation on an as-needed basis, improved well-being and customer benefit, increased comfort as well as reduced operating costs through energy conservation are just some of the benefits of employing AERASGARD® CO2 sensors.
A measuring system based on NDIR (non-dispersive infra-red technology) for CO2 measurement consists of a light source and a receptor. A certain range of wavelengths of light radiated by the source is damped and absorbed by CO2 molecules in the measured section. This damping is detected by the receptor.
|Voltage supply||24 V AC/ DC (± 10 %)|
< 1.5 W/ 24 V DC typical;
< 2.9 VA/ 24 V AC typical;
peak current 200 mA
|Measuring range, CO2||
multi-range switching (selectable via DIP switches)
0...2000 ppm; 0...5000 ppm
optical NDIR sensor,
(non-dispersive infra-red technology)
with automatic calibration
|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|
|Relay output||without changeover contact|
|Warm up time||approx. 1 hour|
approx. 1 minute,
minimum flow rate 0.3 m / s (air)
|Output||0 -10 V (fixed)|
VOC sensor (metal oxide) (VOC = volatile organic compounds),
with manual calibration (via zero button),
with automatic calibration (fixed)
|Ambient temperature||–10...+60 °C|
by mounting flange, plastic
(included in the scope of delivery)
PLEUROFORMTM, material polyamide (PA6), with torsion protection,
Ø 20 mm, NL = 202.5 mm, vmax = 30 m/s (air)
|Electrical connection||0.14 - 1.5 mm² via terminal screws|
material polyamide, 30 % glass-globe-reinforced
colour traffic white (similar to RAL 9016)
ALTF 02 with snap-on lid,
|Housing dimensions||72 x 64 x 37.8 mm (Tyr 01)|
M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 10.4 mm
|Long-term stability||< 2 % in 15 years|
|Protection class||III (according to EN 60 730)|
|Protection type||IP 43 (according to EN 60 529)|
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
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