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AERASGARD® AFTM-CO2-W (LCD)Maintenance-free on-wall sensor AERASGARD® AFTM - CO2 - 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), the quality in three VOC sensitivity levels (low/ medium/high), the temperature (–35...+80 °C) as well as the relative air humidity (0…100% r.H.). The measuring transducer converts the measured values into a standard signal of 0-10 V or 4...20 mA (switchable).
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产品编号 1501-7116-7371-200/1501-7116-7
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, humidity 0...100 % RH Operating range, humidity 0...95 % r. H. (without dew formation) Deviation of humidity typical ± 2 % r. H. (20…80 % r. H. ); at + 25 °C, otherwise ± 3 % Output, humidity 0 -10 V or 4...20 mA (selectable via DIP switches) Measuring range, temperature –35...+80 °C (output equivalent to 0 -10 V or 4...20 mA) Operating range, temperature –10...+60 °C Temperature deviation typically ± 0.2 K at +25 °C Output, temperature 0 -10 V or 4...20 mA (selectable via DIP switches) Measuring range, CO2 multi-range switching (selectable via DIP switches) 0...2000 ppm; 0...5000 ppm Sensor, CO2 Optical NDIR sensor (non-dispersive infra-red technology), with manual calibration (via zero button), with automatic calibration (can be deactivated via DIP switches) Output, CO2 0 -10 V or 4...20 mA (selectable via DIP switches) 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) (assignment selectable via DIP switches, switchpoint adjustable) Response time < 2 minutes Output 0 -10 V or 4...20 mA, working resistance < 800 Ω (selectable via DIP switches, selected variant applies for all outputs), with offset potentiometer (± 10 % of the measuring range) Sensor protection plastic sinter filter, Ø 16 mm, L = 35 mm, exchangeable (optional metal sinter filter, Ø 16 mm, L = 32 mm) 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 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 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 |
