Model K-30 carbon dioxide sensor demonstration

In this video we show a model K-30 carbon dioxide sensor connected to channel 12 of our home-brew SCADA system, monitoring carbon dioxide concentration in parts per million. This is a very affordable sensor suitable for use as an educational gas analyzer.
CORRECTION: the website for this sensor's manufacturer is CO2METER.COM rather than CO2SENSOR as I say in the video!

[@db31415]

What is that manifold on it?

[@MrLudhiana1]

what is the gas used for zero cal and span 10000 ppm could you send me a link of suppliers

[@user-hi9yz4nq5v]

Can i know your code？I use it through raspberryPi