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OMRON, ST team up to dev't MEMS based gas sensor

Posted: 09 Oct 2012 ?? ?Print Version ?Bookmark and Share

Keywords:analogue front-end IC? MEMS? gas metering?

OMRON Corporation and STMicroelectronics have announced the completion of the development project for a MEMS-based gas flow sensor. The new sensor has an industry-unique built-in correction for differences in gas composition.

Following electricity-consumption measuring trends, gas metering is moving from conventional mechanical solutions to smart electronic meters with automatic meter-reading functions. There are over 400 million 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 sensor solution developed by OMRON and ST aims to enable 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. Industry analysts expect the global smart gas meter market to exceed 10 million units a year by 2015.

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The new gas-flow sensor combines OMRON's Micro-Electro-Mechanical System thermal flow transducer with ST's analogue front-end IC. The combination delivers a 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.

"The successful collaboration with OMRON in gas metering expands ST's foothold in the increasingly important field of 'intelligent measurement' and sets us to replicate the great success we have achieved in smart electricity metering," said Marco Cassis, Executive Vice President and President, Japan and Korea Region, STMicroelectronics.

"We are very much excited to introduce a new powerful one-stop solution that enables a simple and very accurate Smart Gas Meter System for global markets through the successful collaboration with STMicroelectronics. By enabling IT-based smart metering, this new technology will significantly contribute to energy saving," said Yoshio Sekiguchi, Senior General Manager of the Micro Devices Division of OMRON Corporation.

OMRON will start sample shipments of the new sensor in November 2012.

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