Posted: September 11, 2007

OMRON Releases New, Cyclone-Type MEMS Flow Sensor

(Nanowerk News) OMRON Corporation (TOKYO:6645, US:OMRNY) has announced the release of a new MEMS flow sensor, the D6F-P, on September 14, 2007. Incorporating a unique cyclone-type Dust Segregation System (DSS), the new flow sensor is ideal for applications which require sensing of non-filtered, ‘ordinary’ air, such as 24-hour ventilation systems and energy-saving air conditioners for homes and offices. Omron will exhibit the D6F-P MEMS Flow Sensor at the CEATEC JAPAN 2007 Exhibition, which runs from October 2 (Tuesday) to October 6 (Saturday) at Makuhari Messe International Convention Complex, near Tokyo, Japan.
MEMS flow sensors are particularly sensitive to dust particles. To overcome this drawback, this new product features Omron-designed 3D flow paths that generate cyclonic flows to separate dust particles from the air using centrifugal and gravitational forces. Unlike conventional sensors that rely on an indirect sensing method, the new D6F-P senses airflow directly and can thus help increase the precision of air conditioning equipment.
Development Background
In recent years, 24-hour ventilation systems, lowering power consumption and environmental protection have become issues of major concern, and this has created a demand for precise measurement and control of the volume of air passing in and out of air conditioning systems. Omron’s new MEMS flow sensor is designed to meet this need for an ultra-small sensor that can detect minute airflow with high sensitivity.
Overview of New Product
This cyclone-type MEMS Flow Sensor features Omron's unique Dust Segregation System (DSS), which enables it to detect minute flowrates with high sensitivity even in dusty environments. This makes it ideal for flowrate control in air conditioners in homes and offices.
By using the world’s smallest class of MEMS flow sensor element, Omron has succeeded in reducing the new sensor’s footprint by 50% compared with previous models, allowing it to be easily built into increasingly smaller consumer products and measuring devices.
In addition, direct mounting to PCBs helps to lower total costs by preventing wiring errors and reducing labor requirements.
Moreover, in contrast to the uni-directional flow sensing of earlier models, the D6F-P offers bi-directional flow sensing for use in applications such as sensing air conditioner intake and exhaust, or human breathing.
1. Omron’s unique cyclonic Dust Segregation System (DSS) provides a high level of reliability by separating dust particles from air to reduce their effect on the sensor chip.
2. Compact (50% smaller footprint than the D6F-01A1).
3. In addition to PCB-mountable models, connector models are also available.
4. Suitable for bi-directional flow sensing.
Other Applications: Measuring devices, medical devices, semiconductor equipment, etc.
Price: Open price
Sales Target: Approx. 10 billion yen in FY2008 for D6F Series
For more details, please see the full news release at:
Headquartered in Kyoto, Japan, OMRON Corporation is a global leader in the field of automation. Established in 1933 and headed by President and CEO Hisao Sakuta, Omron has more than 33,000 employees in over 32 countries working to provide products and services to customers in a variety of fields including industrial automation, electronic components, social systems (ticket gate machines, ticket vending machines and traffic control) and healthcare. For more information, visit Omron's website at
Source: Omron
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