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AERASGARD® RCO2-W-AMaintenance-free AERASGARD® RCO2 - SD room air quality measuring transducer with active output, automatic calibration (fixed), in an elegant plastic housing with snap-on cover, for determining the CO2 content of the air (0...2000 ppm). The transmitter converts the measured values into a standard signal of 0-10 V.
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产品编号 1501-61A0-7331-200
Voltage supply 24 V AC/ DC (± 10 %) Power consumption < 1.5 W/ 24 V DC typical; < 2.9 VA/ 24 V AC typical; peak current 200 mA 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 Warm up time approx. 1 hour Response time < 2 minutes Output, CO2 0 -10 V or 4...20 mA (selectable via DIP switches) Ambient temperature 0...+50 °C Electrical connection 0.14 - 1.5 mm2 via terminal screws Long-term stability < 2 % in 15 years Protection class III (according to EN 60 730) Protection type IP 30 (according to EN 60 529) Relay output with potential-free changeover contact 24 V (assignment selectable via DIP switches) Output 0 -10 V or 4...20 mA, working resistance < 800 Ω (selectable via DIP switches) with offset potentiometer (± 10 % of the measuring range Sensor 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) Housing plastic, material ABS, colour pure white (similar to RAL 9010) Dimensions 85 x 85 x 27 mm (Baldur 1) Installation 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 Standards CE conformity, electromagnetic compatibility according to EN 61 326, EMC Directive 2014/ 30/ EU, Low Voltage Directive 2014/ 35/ EU Display with traffic light indicator (five coloured LEDs) for displaying the air quality. |