Digital Flow Meter

The Digital Flow Meter uses four sensors to accurately measure pneumatic specifications. Three sensors are in direct contact with the flow path: an anemometer for mass flow, a thermistor for gas temperature and a gauge pressure transducer for gas/back pressure. The fourth sensor, an absolute pressure transducer, is contained within the unit and away from the flow path for atmospheric pressure. Using the readings from all four sensors, the mass flow is calculated using the current environmental and application conditions. This mass flow is then converted to volumetric flow based on the current density of the environment and back pressure in the system.