Dual Channel Infrared Carbon Dioxide Sensor Indoor Air Monitoring Purifier Co2 Detection
4 reviews

Features:

Newly-stocked dual-channel infrared carbon dioxide sensor module,
Dual-channel detection,
It seems that the accuracy is higher than single channel,
And stable,
The mirror surface of the stock module housing feels a bit scratched,
The module pins have not been tinned and soldered,
The inside of the module is very new,
Research price processing,
The specific information of the module needs to be checked online by yourself.
This shop does not provide technical support,
Module clearance special offer processing.
Double channel design, high precision, better stability
Automatic zero compensation
Proprietary intellectual property NDIR technology
Full range temperature correction

Specification:

Detection principle: non-spectral infrared technology (NDIR)
Detection range :400-5000ppm (expend to 1000ppm)
Detection accuracy :±(50ppm+3%)
Power on stability time :30s
Data refresh frequency :1s
Working conditions :-10-50°C, 0-95%RH or less (non-condensation)
Storage temperature :-20-60°C, 0-95%RH or less (non-condensation)
Operating voltage :DC 5.0v ±2%;Ripple < 50 mv
Working current: average working current <70mA
Signal output: uart-ttl (3.3V) PWMW
Product size :33*H21.7*D12.7 (mm) (excluding insertion pin)

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.