Media-resistant differential pressure sensor
| German title: | Medienresistenter Differenzdrucksensor | |
| Acronym: | MeReDiD | |
| Duration: | 1st February 2015 - 31st May 2017 | |
| Description: | The aim of the project was to develop cost-effective differential pressure sensors with high precision, stability and reliability for use in aggressive and corrosive media, for example in exhaust gases from combustion engines or in hydraulic oils. In addition to the actual device development, a comparative study of differential pressure measurement using two absolute pressure and two relative pressure sensors was carried out. Questions concerning the physical arrangement of the individual sensors and the electronic signal processing were addressed. Prototypes were manufactured, assembled and characterized for two pressure ranges. Prototypes for two pressure ranges were manufactured, assembled and characterized. Data on characteristic parameters such as zero point deviation, sensitivity, linearity, long-term stability including hysteresis behavior as well as overload resistance are within the defined tolerances. The intelligent bridge circuitry compensates for some interfering influences, so that the sensor performance of the prototypes developed is sometimes better than that of comparable, conventional differential pressure sensors. Long-term reliability tests under real operating conditions confirmed the new approach to differential pressure measurement in aggressive media. |
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| Markets: | Electronics, Mechanical Engineering, Metrology, Automation | |
| Funded by: | BMWI |  |
| Project sponsor: | EuroNorm GmbH | |
| Funding code: | MF140124 | |
| Contact: | Contact us about this project via our business unit MEMS | |
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