CO2 Indicator with 6 LED lights

Gas detected Carbon Dioxide (CO2)Sensing element Non-Dispersive Infrared Detector (NDIR)Accuracy@25(77),2000ppm ±40ppm + 3% readingStability <2% of FS over life of sensor (15 yr typical)Calibration interval ABC Logic Self Calibration SystemResponse time <2 minutes for 90% step changeWarm up time 24 hours (first time)10 minutes (operation)CO2 measuring range02,000ppm / 05,000ppm / 020,000ppm / 050,000ppm selectable in ordersPower supply 24VAC/24VDCConsumption 1.5 W max. ; 0.8 W avg.Analog outputs 0 10VAC or 4 20mA selectable in the order0 10VDC/0 5VDC/2 10VDC/1 5VDC selectable by jumpersOn/Off output 1x relay on/off output with 2A switch currency optionalTouch button Easily select fan on/fan auto/turn off for the CO2 detector/controller with 1xrelay outputCommunication interface RS-485 interface orModbus RS485 interface9600/14400/19200/28800 or 38400bps (programmable selection), 15KV antistatic protection.Flow rates Diffusion version 80 120 cc/min (for wall mounting type)Flow through version 40 50cc/min (for duct type)Operation conditions 0 50(32 122); 0 95%RH, non condensingStorage conditions -40 70-40 158NDIR life 15 yearsNet weight 180gTransmitter dimensions 100mm×80mm×28mm Installment standard 65mm×65mm or 2×4wire box Wiring Connection Wiring terminals or the power plug(optional)Standard Approval CE-Approval 1)Specially design for HVAC, ventilation systems, offices, classrooms or other application places.2)Real-time detecting CO2 level. Temperature and humidity detection is optional.3)NDIR infrared CO2 module inside with four CO2 detection range selectable.4)CO2 sensor has Self-Calibration Algorithm and 15 years lifetime5)Mounted type and duct type selectable6)Special 6 lights Indicates CO2 level and makes it clear show.7)Special model with a touch button as a controller to operate a fan control.8)Providing up to three analog outputs for CO2/temperature/humidity.9)One relay output is available10)RS-485 communication interface is optional: 15KV antistatic protection, independent address setting11)24VAC/VDC power supply can be connected with the wire terminals, also a power adaptors plug connected into the socket available.12) CE-Approval