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Mass air flow sensors with manifold-mount for bypass assemblies

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By eeNews Europe

By using the linearized factory calibration provided by Posifa, users can create master calibration curves specific to their custom bypass design with minimal additional corrections in the production process. The mass air flow sensors feature Posifa’s third-generation thermal flow die, which uses a pair of thermopiles to detect changes in temperature gradient caused by mass flow. The result is excellent repeatability and accuracy of 4 % reading typical. The solid-state thermal isolation structure on the sensor die eliminates the need for a surface cavity or fragile membrane used in competing technologies, making the sensor resistant to clogging and pressure shock. Measuring flow rates at 1000 sccm (PMF6102) and 6000 sccm (PMF6106), the devices offer extremely fast response times of 5 ms typical and operate over a -25 °C to +85 °C temperature range.

Posifa Technologies – www.posifatech.com


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