heat-loss flowmeter

heat-loss flowmeter

[′hēt ‚lȯs ′flō‚mēd·ər]
(engineering)
Any of various instruments that determine gas velocities or mass flows from the cooling effect of the flow on an electrical sensor such as a thermistor or resistor; a second sensor is used to compensate for the temperature of the fluid. Also known as thermal-loss meter.
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