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NDIR TVOC gas detector

NDIR TVOC gas detector

2013-5-9below shows the basic NDIR gas sensor working principle. Figure 1. NDIR Gas Sensor Principle Gas molecules will absorb radiation energy from the lamp emission. Absorption follows the Lambert-Beer law: I = I0 * e-kcl Where I is the transmitted IR intensity at the thermopile detector side, I0 is the initial intensity at the IR

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