Home › Testing the MH-Z19 Infrared CO2 Sensor Module › CO2 sensor type MH-Z19 730x438px 4 CO2 sensor type MH-Z19 730x438px 4 Posted on 6 years ago • Updated 6 years —by Terje 226 Share on FacebookTweet on TwitterGoogle+LinkedInPinterest Share on FacebookTweet on TwitterGoogle+LinkedInPinterest Post navigation Previous PostTesting the MH-Z19 Infrared CO2 Sensor Module