Photoionization
A photoionizations detector, featuring microprocessor technology, uses ultraviolet light to ionize molecules of chemical substances in a gaseous or vaporous state. A real-time digital readout allows the user to make an immediate determination of gas and vapor concentration. Depending upon calibration´s input, gas and vapors are measured over a 0.1 to 2,000 ppm scale. The MSA AUER PID's compensates automatically leak of signal due to humidity.
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