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P/N 06160D DCN6409 Teledyne API Model 465M O
3
Monitor Instruction Manual - Page 14
length determines how many molecules are present in the column of gas in the absorption
tube.
The intensity of light is converted into a voltage by the detector/preamp module. The
voltage is converted into a number by a high resolution A/D (analog-to-digital) converter.
The digitized signal, along with the other variables, is used by the CPU to compute the
concentration using the above formula.