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Commonly Used Sensors

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1. UV lamp is used to emit high energy photons. 2. Photons break up molecules into positively charged ions and electrons. 3. The electrons are attracted to the + electrode and the ions to the - electrodes. 4. The higher the gas concentrations, the more electrons and ions are released and the higher the current through the electrodes.

Author: Smiling Bandicoot


Photoionization Detector (PID)

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