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 maintenance-free microprocessor-controlled room sensor AERASGARD® RCO2 - SD with automatic calibration (fixed) is used for recording the CO2 content of the air within a range of 0...2000 ppm. The measurement value is converted into standard signal of 0 -10 V.
The maintenance-free microprocessor-controlled room sensor AERASGARD® RCO2 - W with automatic calibration (can be deactivated via DIP switches) 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. Optional with traffic light indicator (five coloured LEDs).
Elegant housing made of plastic, with snap-on lid, based with 4-hole attachment, for installation on vertically or horizontally installed flush-mounted boxes, with predetermined breaking point for surfacemounted connection or in housing made of stainless steel (top and bottom parts are stainless steel, the cover is screwed on), vandal-proof version e.g. for schools, barracks and public buildings.
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.
|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
|Output, CO2||0 -10 V or 4...20 mA (selectable via DIP switches)|
|Measuring accuracy||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||with potential-free changeover contact 24 V (assignment selectable via DIP switches)|
|Warm up time||approx. 1 hour|
|Response time||< 2 minutes|
0 -10 V or 4...20 mA, working resistance < 800 Ω
(selectable via DIP switches)
with offset potentiometer (± 10 % of the measuring range
Optical NDIR sensor (non-dispersive infra-red technology),
with manual calibration (via zero button),
with automatic calibration (can be deactivated via DIP switches)
|Measuring range||0...2000 ppm or 0...5000 ppm (selectable via DIP switches)|
|Ambient temperature||0...+50 °C|
|Electrical connection||0.14 - 1.5 mm² via terminal screws|
|Housing||stainless steel V2A (1.4301)|
|Dimensions||100 x 100 x 25 mm (stainless steel housing)|
wall mounting or on in-wall flush box, Ø 55 mm,
base with 4 holes, for attachment to vertically or
horizontally installed in-wall flush boxes for rear cable entry,
with predetermined breaking point for cable entry
from top/ bottom in case of plain on-wall installation
|Long-term stability||< 2 % in 15 years|
|Protection class||III (according to EN 60 730)|
|Protection type||IP 30 (according to EN 60 529)|
CE conformity, electromagnetic compatibility
according to EN 61 326, EMC Directive 2014/ 30/ EU,
Low Voltage Directive 2014/ 35/ EU
sps smart production solutions – S+S Regeltechnik will be there 26. - 28.11.2019
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