Gas Sensors definition: A Gas Detector is a device that detects the presence of gases in an area, often as part of a safety system. This type of equipment is used t... Gas Sensors Product Listing: SNS-MQ135,SNS-MQ7.Sensors, Transducers type:Pressure Sensors, Transducers(84536),Current Sensors(57379),Encoders(27450),Proximity Sensors(21296),Sensor Cable - Assemblies(20019) .Gas Sensors has 2 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the MOST.