salman.
Member level 1
![Member level 1](/styles/images/ranks/dlevel1.gif)
Hi everyone, I would like to know if someone has used this MQ4 methane gas sensor by HANWEI electronics. If so how do you calibrate it for lets say 5000ppm of methane(natural gas) in Air?
need help calibrating it,
thanking you all in anticipation for your precious time and help,
salman.
need help calibrating it,
thanking you all in anticipation for your precious time and help,
salman.