A device in the throttle body, the mass airflow, or MAF, sensor helps the engine computer determine the proper air-fuel mixture by measuring the mass of the air flowing past it. Because a precise ...

Accuracy for air flow sensors is usually expressed as a percentage of full-scale measurement. These instruments can be either handheld devices, for ease in moving from one location to another, or ...

Measuring air flow in an HVAC ... like with this ultrasonic flow meter, could be a big deal for DIY projects and the trades in general. The principle behind the sensor [ItMightBeWorse] is working ...