... cavity liquid flow measurement Air Mass Flow consists of two thermopiles and a heating resistance, thermopiles symmetrically ... , that is self energy Seebeck effect. Applications- air mass flow in HVAC and Automotive application- Medical ... Resistor TCR -578 Ppm/CUpstreamThermopile Output(Air,25C)149165171mVDownstream Thermopile Output (Air,25C)149165171mVOperating Temperature-10 80CResponse TimeLess ...