Measurements of the gas targeted for detection must be turned into linear electronic signals. At the same time, interference that could lead to the transmission of incorrect values must be avoided at all costs.
技術上更難突破的，則是感測的穩定度，也就是將偵測到的目標氣體濃度，轉換為可以處理的電力訊號，同時避免雜訊干擾。