Thermal Mass Flow Sensors

Thermal mass flow sensors utilize heat transfer principles to determine the flow velocity of a fluid. As fluid passes across the sensor and the heat is carried from the sensor to the medium.  This relationship is dependent upon the flow rate. As flow increases, so does the amount of heat that is transferred. By knowing the temperature of the medium, the flow rate can be determined from the amount of voltage compensation needed to maintain a constant temperature differential.

Innovation Sensor Technology creates thin film mass flow sensors offer solutions that are applicable in both gas and partially in liquid. In addition to measuring flow rates, these liquid sensors can detect the presence of a liquid, biofilm, or bubbles, as well as indicate liquid level . This sensor can operate between -30°C and +450°C.

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