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sensitive PH3 Gas Concentration Detector

sensitive PH3 Gas Concentration Detector

Oct 02, 2018Structure and configuration of MQ-4 gas sensor is shown in above figure (Configuration A or B), sensor composed by micro AL 2 O 3 ceramic tube, Tin Dioxide (SnO 2) sensitive layer, measuring electrode and heater are fixed into a crust made by plastic and stainless steel net. The heater provides necessary work conditions for work of sensitive ...

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    explosion-proof lng gas Alarm Device

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