I'm looking at the datasheet of the MiCS-6814 from Sensortech, and it says it measures Ammonia, Carbon Monoxide, Ethanol, Hydrogen, Iso-Butane, Methane, Nitrogen Dioxide, Propane but it has only 3 sensing elements (RED, NH3, OX). Looking at the profiles, there's multiple gasses there at different or sometimes overlapping ppm concentrations.

For example, for the NH3 (Ammonia) sensing element, it also overlaps hydrogen. Do I need to calibrate the sensors to sense only that type of gas using a gas chamber? Is it possible to sense all of the gasses in a 1 hour period? For example first 5-10 minutes Ammonia, then Hydrogen, etc.?

P.S. I'm new to this, so I know this question may sound stupid

Cheers,

Petrov

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