![]() This mass flow is then converted to volumetric flow based on the current density of the environment and back pressure in the system. Using the readings from all four sensors, the mass flow is calculated using the current environmental and application conditions. The fourth sensor, an absolute pressure transducer, is contained within the unit and away from the flow path for atmospheric pressure. Both ACFM & SCFM are units of measurement for English flow. 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. SCFM English standard cubic foot per minute means standard cubic foot per minute, British flow unit. The Air & Oxygen Mass Flow Meter uses four sensors to accurately measure pneumatic specifications. The unit also has an optional output of 0-5 volts as a measure of flow rate, with an adjustable sample rate based on user preference, for use with an oscilloscope or volt meter. And unlike most flowmeters, our electronic air flow meter can automatically adjust for typical errors in flow calculation due to back pressures of up to 100 psig. For using a mixture of Air and Oxygen, the percentage of oxygen is adjustable. This customization includes selecting the preferred units for each specification, including many standard units typical to scientific and engineering applications. Unlike most flowmeters, the Digital Mass Flow Meter has a touch screen interface, offering immediate customization in seconds. The pitot-tube flow meter is the right tool for energy audits and often used for compressor performance tests as well.This Air & Oxygen Mass Flow Meter accurately measures and displays mass flow rate, volumetric flow rate, gas temperature, atmospheric pressure and gas pressure, for both Air and Oxygen. With this sensor, it’s possible to measure the FAD (Free air delivery) as well as the total flow of the compressed air. This insertion-type sensor uses the differential pressure that is created at the sensor tip (pitot-tube), paired with a temperature and pressure measurement, to measure the volumetric flow of the wet air. For this application, SUTO iTEC is offering wet air flow meters based on the pitot-tube principle.
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