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Explosieveilig
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Maintenance-free on-wall sensor AERASGARD® ACO2-SD with active output, automatic calibration (fixed), in an impact-resistant plastic housing with quick-locking screws, for determining the CO2 content of the air (0…2000 ppm/0…5000 ppm). The measuring transducer converts the measured values into a standard signal of 0 -10 V. Maintenance-free on-wall sensor AERASGARD® ACO2-W with active/switching output, automatic calibration (can be deactivated), in an impact-resistant plastic housing with quick-locking screws, optionally with/without display, for determining the CO2 content of the air (0…2000 ppm/0…5000 ppm). he measuring transducer converts the measured values into a standard signal of 0 -10 V or 4…20 mA (switchable). The sensor is used in offices, hotels, convention centres, apartments, shops, etc. for the purpose of evaluating the indoor climate. This enables energy-saving room ventilation on an as-needed basis, thereby reducing operating costs and improving well-being. The CO2 measurement is performed using an optical NDIR sensor (non-dispersive infra-red technology). The detection range is calibrated for standard applications such as monitoring residential rooms and conference rooms.
| Voltage supply | 24 V AC/ DC (± 10 %) |
|---|---|
| Power consumption | < 4.8 W/ 24 V DC typical; < 6.8 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 |
| 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 |
with potential-free changeover contact (24 V / 1 A),
switchpoint adjustable
|
| Response time | < 2 minutes |
| Output | 0 -10 V or 4…20 mA, working resistance < 800 Ω (selectable via DIP switches) with offset potentiometer (± 10 % of the measuring range |
| Output | 0 -10 V or 4…20 mA (selectable via DIP switches, selected variant applies for all outputs), working resistance < 800 Ω |
| Sensor |
Optical NDIR sensor (non-dispersive infra-red technology),
with manual calibration (via zero button),
with automatic calibration (can be deactivated via DIP switches) |
| Ambient temperature | –10…+60 °C |
| Process connection | by screws |
| Protective tube | stainless steel V2A (1.4301), Ø 16 mm, NL = 55 mm |
| Electrical connection | 0.14 – 1.5 mm² via terminal screws |
| Cable connection | cable gland, plastic (M 16 x 1.5; with strain relief, exchangeable, max. inner diameter 10.4 mm) or M12 connector according to DIN EN 61076-2-101 (optional on request) |
| Housing | plastic, UV-stabilised, material polyamide, 30 % glass-globe reinforced, with quick-locking screws (slotted/ Phillips head – combination), colour traffic white (similar to RAL 9016), housing cover for display is transparent ! |
| Housing dimensions | 126 x 90 x 50 mm (Tyr 2) |
| Cable gland | M 16 x 1.5; including strain relief, exchangeable |
| Long-term stability | < 2 % in 15 years |
| Protection class | III (according to EN 60 730) |
| Protection type | IP 65 (according to EN 60 529) |
| Standards | CE conformity, electromagnetic compatibility according to EN 61326, according to EMC Directive 2014/ 30/ EU |
| Optional | three-line display with illumination, cutout approx. 70 x 40 mm (W x H), for displaying actual humidity, actual temperature, air quality and / or the actual CO2 content |
| Display | three-line display with illumination, cutout approx. 70 x 40 mm (W x H), for displaying actual humidity, actual temperature, air quality and / or the actual CO2 content |
| Gewicht | 1 kg |
|---|---|
| Merk | S+S Regeltechnik |
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