CO2 Monitor / Controller

Gas detected Carbon Dioxide (CO2)Sensing element Non-Dispersive Infrared Detector (NDIR)Temperature sensor NTCHumidity sensor HS series capacitive sensorTemperature dependence 0.2% FS/Temperature correction Self compensationPower supply 220VAC, 110VAC or 24VAC, 50/60HZ±10%, selectable with the orderConsumption 3.5 W max. ; 2.5 W avg.Accuracy@25(77) ±40ppm + 3% of readingStability <2% of FS over life of sensor (15 yr typical)Calibration interval ABC Logic Self Calibration AlgorithmNon linearity <1% of FSPressure dependence 0.13% of reading per mm HgAltitude calibration Programmable from 0-9,900m in 100m incrementsResponse Time <2 minutes for 90% step changeSignal update Every 2 secondsWarm up time 24 hours (first time)5 minutes (operation)CO2 measuring range02,000ppm (default)020,000ppm, programmable selection050,000ppmtCO2 setting & Display resolution1ppmTemperature measuring/ setting range 050(32122)/ 545(41113)Humidity measuring/setting range 099%RH/ 595%RHAnalog output 010VDC linearized output or PID control output, selectable by end usersOutput resolution 10BitRelay output One or two dry contact outputs with programmable selection to control CO2, temperature, humidityRated switching current: 3A(220VAC/30VDC), resistance loadCommunication interface RS-485, 9600/14400/19200(default)/28800 or 38400bps (programmable selection), 15KV antistatic protection, 3 independent base address, max network node 64Flow rates Diffusion version 80 120 cc/minFlow through version 40 50cc/minOperation conditions 0 50(32 122); 0 95%RH, non condensingStorage conditions -40 70(-40 158)NDIR life 15 yearsWeight 360gDimensions 130mm×90mm×40mm Installment standard 65mm×65mm or 2×4wire box Interface connections Maxi. 9 terminalsWiring standard wire section area<1.5mm2 Approval Standard CE-Approval Programming and selection Via internal jumpers and push-buttons on the panel 1)CO2 monitor multiple control functions and high performance with low price 2)Application in all ventilation systems, or public places 3)Wall mounting type and duct type selectable 4)Built-in pump type for some special applications 5)LCD display detecting both CO2 level and temperature, also relative humidity (optional) 6)NDIR infrared CO2 sensor with special ABC_Logic Self Calibration System and 15 years long lifetime. It makes the CO2 measurement more accurate and more reliable. 7)Specially provide the altitude calibration 8)Microprocessor control, quick response, high precision 9)Providing strong control outputs with up to three 0 10V analog outputs and three relay dry-contact outputs 10)The analog output with two alternatives: PID control output or linearized over full range output 11) Different control mode for delays selected by users applications such as ventilation systems or greenhouses 12) Locale adjustable range of CO2: 0 2,000ppm/0 5,000ppm/20,000ppm/ 0 50,000ppm; adjustable range of temperature: 5 45adjustable range of humidity595%RH13) RS-485 communication interface optional, 15KV antistatic protection, independent base address setting14) Specially provide a simple CO2 controller with 6 indicator lights and a relay output to control a fan15) CE-Approval