Honeywell PhD6 Gas Detector, PHD6 is a state of the art multi-gas detector. It’s the most configurable gas detector of its time with 5 sensor ports, up to 6 channels of detection, and 18 sensor options including electrochemical, LEL, PID and Infra-Red. More info: https://www.honeywellanalytics.com/~/media/honeywell-analytics/products/phd6/documents/13322_5_phd6-trg_en.pdf?la=en.
