CO2 Monitor and Alarm

Gas detected Carbon Dioxide (CO2)Sensing element Non-Dispersive Infrared Detector (NDIR)Accuracy@25°C(77°F) ±50ppm + 3% of readingStability <2% of FS over life of sensor (15 yr typical)Calibration interval ABC Logic Self Calibration AlgorithmNDIR life 15 yearsResponse Time <2 minutes for 90% step changeSignal update Every 2 secondsWarm up time 24 hours (first time)5 minutes (operation)CO2 measuring range0 2,000ppmCO2 Display resolution1ppmPower supply 100 240VAC or 10 24VAC/VDC selectable with the orderConsumption 3.5 W max. ; 2.5 W avg.Temperature sensor NTCHumidity sensor HS series capacitive sensorTemperature measuring range 0 50°C(32 122°F)Humidity measuring range 0 99%RHRelay output (optional) One relay output with rated switching current: 3A, resistance loadRS485 interface (optional) RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address.Operation conditions 0 50°C(32 122°F); 0 95%RH, non condensingStorage conditions -40 70°C(-40 158°F)Weight 200gDimensions 130mm(H)×85mm(W)×36.5mm(D) Installation Desktop and wall mounting(65mm×65mm or 2”×4”wire box) Housing and IP class PC/ABS fireproof plastic material, protection class: IP30 Standard CE-Approval 1.CO2monitor is designed for real time monitoring ambiance carbon monoxide 2.LCD display detecting CO2 level, as well as temperature and relative humidity 3.NDIR infrared CO2 module inside with special ABC_Logic Self Calibration System. It makes the CO2 measurement more accurate and more reliable in use. 4.15 years lifetime of CO2 sensor 5.Gentlest shape and convenient installation structure6.Particular LCD display with three color (Green/Yellow/Red) backlights 7.Two alarm ways: buzzer alarm and backlight colours switch 8.Provide optional 1xrelay output to control a ventilator 9.Easy touch button for operation 10.Provide four CO2 values to be preset to control the relay. 11.Optional RS485 communication interface, 15 KV antistatic protection, individual IP address 12.Trusty quality with lower prices