A combinational sensor system for measuring multiple measurands, comprising: a plurality of transducer elements (130, 150, 160) arranged apart from one another on a patterned electrically conductive substrate of said sensor system having a flow tube, wherein the plurality of transducer elements (130, 150, 160) comprises a flow sensor, a pressure sensor, and a humidity sensor,; a plurality of sampling ports (120, 125,290, 295) positioned along the flow tube adjacent to the substrate in order to provide said sensor system with an ability to measure a plurality of measurands, wherein the plurality of sampling ports (120, 125, 290, 295) provide the pressure sensor and the humidity sensor with independent access to a media in the flow tube; wherein each of the humidity sensor and the pressure sensor are positioned between a conductive elastomeric seal (230, 250) and a non-conductive elastomeric seal (220, 260), wherein said non-conductive elastomeric seal (220, 260) is adapted for use in mechanically sealing said humidity sensor and said pressure sensor within said sensor system; an ASIC associated with said sensor system, wherein said ASIC is placed on the patterned electrically conductive substrate for signal conditioning in order to detect multiple measurands; a plurality of electrical connectors associated with said patterned electrically conductive substrate, wherein said substrate forms an electrical connection with said ASIC of said sensor system, and wherein said conductive elastomeric seal is adapted for use in electrically connecting said plurality of transducers (130, 150, 160) to said electrically conductive substrate that connects to said ASIC. a plurality of transducer elements (130, 150, 160) arranged apart from one another on a patterned electrically conductive substrate of said sensor system having a flow tube, wherein the plurality of transducer elements (130, 150, 160) comprises a flow sensor, a pressure sensor, and a humidity sensor,; a plurality of sampling ports (120, 125,290, 295) positioned along the flow tube adjacent to the substrate in order to provide said sensor system with an ability to measure a plurality of measurands, wherein the plurality of sampling ports (120, 125, 290, 295) provide the pressure sensor and the humidity sensor with independent access to a media in the flow tube; wherein each of the humidity sensor and the pressure sensor are positioned between a conductive elastomeric seal (230, 250) and a non-conductive elastomeric seal (220, 260), wherein said non-conductive elastomeric seal (220, 260) is adapted for use in mechanically sealing said humidity sensor and said pressure sensor within said sensor system; an ASIC associated with said sensor system, wherein said ASIC is placed on the patterned electrically conductive substrate for signal conditioning in order to detect multiple measurands; a plurality of electrical connectors associated with said patterned electrically conductive substrate, wherein said substrate forms an electrical connection with said ASIC of said sensor system, and wherein said conductive elastomeric seal is adapted for use in electrically connecting said plurality of transducers (130, 150, 160) to said electrically conductive substrate that connects to said ASIC.