Photo Ionization Detector (PID, also known as VOC detector, VOC monitor, or VOC meter) measures concentrations of organic & inorganic vapors in low levels from parts per billion (ppb) up to 10,000 parts per million (ppm). PID is a very sensitive instrument used in a wide variety of applications such as:
Hazardous waste sites Clean-up of spills
Protecting workers from toxic vapors Refineries
Leak detection for compliance Pulp and paper plants
Hazardous materials response Terrorist chemical attacks
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