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PID (Photo Ionization Detector, also known as an VOC monitor or VOC detector) is used to measure volatile organic compounds (VOCs) & other gases in concentrations from parts per billion (ppb) to parts per million (ppm). The PID sensor indicates if VOCs are present, but do not identify type. PIDs are used mostly to detect VOCs in soil, sediment, air & water. It is often used to detect contaminants in ambient air and soil during drill activities & spills to identify potential problems.
In some cases you will also need to detect other gases as well, such as Hydrogen sulfide, Carbon monoxide, Oxygen, & Combustible gases(LEL). If that is the case, some multigas monitors allow up to 6 different sensor combinations.
Depending on your specific application or needs, you can choose the appropriate gas detector and sensor combinations. If you are in need of help, please do not hesitate to contact us for assistance or guidance in choosing the proper gas detector.
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