1. Product Description
MQCO2-1 It is a carbon dioxide sensor based on the principle of non-spectroscopic band infrared absorption. It can detect carbon dioxide concentration in the air in real time. It has the characteristics of self-calibration, small size, superior performance, good consistency, and no oxygen dependence.This product has built-in temperature compensation, and also has serial port output, PWM Output two communication methods, which are easy to use.This product is widely used ⽤In air quality detectors, air purification equipment, fresh air systems, air conditioning control, smart home, Internet of Things ⽹Environmental information collection, agriculture ⽣production, cold chain transportation and other related fields.
2. Technical indicators
Range range 400 ~5000ppm
Accuracy ±(50ppm+5%*reading )
Communication interface
URAT_TTL(3.3V)
PWM(3.3V)
Resolution 1 ppm
响应时间 Less than 2 0s
Data update time 4 s
Warm-up time
Less than 25 s( Operable)
Less than 2 min(90% Accuracy)
Less than 10 min( Maximum accuracy)
Power supply voltage DC(5.0±0.5)V
The average operating current is less than 70 mA, Peak value is less than 150 mA
Working Conditions-10 ~+50℃,0~95%RH, No condensation
Storage conditions-30 ~+70℃,0~95%RH, No condensation
Product lifespan is greater than 5 years
Product size 32.5 mm*22.2mm*19.7mm(L*W*H)
Pin spacing 2.54 mm
3. Appearance and structural dimensions

32.5mm*22.2mm*19.7mm(L*W*H),tolerance: ±0.3mm