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ST, Omron develop sensor for smart gas metering

Posted: 09 Oct 2012     Print Version  Bookmark and Share

Keywords:MEMS  gas meter  sensor 

OMRON Corp. and STMicroelectronics developed a MEMS-based gas flow sensor with industry-unique built-in correction for differences in gas composition. OMRON said that it will start sample shipments of the new sensor in November 2012.

As with electricity-consumption measuring, gas metering is moving from conventional mechanical solutions to smart electronic meters with automatic meter-reading functions. There are over 40 crore mechanical gas meters in the world and most major gas providers are readying to replace their traditional meters with more accurate and reliable electronic devices.

In addition to higher precision and reliability, the OMRON/ST sensor solution enables the development of smart gas meters that are much smaller, less expensive, and more power-efficient than the conventional equipment, resulting in substantial cost savings for the utility companies and end users alike.

The new gas-flow sensor combines OMRON's state-of-the-art MEMS thermal flow transducer with ST's high-performance analogue front-end IC, delivering high-precision gas flow-rate measurement with excellent reproducibility. Gas meters built around the OMRON/ST solution do not need to be configured for a certain type of gas at the time of shipment or installation, as they are intrinsically compensated for both temperature and pressure variations and a built-in circuit compensates for the variation of multiple gas composition. The sensor is dust-resistant to comply with international gas-meter standards.





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