Product category:
Flowmeters and Flow Sensors
News Release from: Omron Corp | Subject: D6F MEMS gas flow sensor
Edited by the Engineeringtalk Editorial
Team on 07 July 2003
MEMS flow sensor uses world's smallest
elements
The D6F is a supersensitive MEMS gas flow sensor that uses the world's smallest sensor elements to detect the flow rate of a gas.
The D6F is a supersensitive MEMS gas flow sensor that uses the world's smallest sensor elements to detect the flow rate of a gas In the wake of growing awareness around the world in recent years regarding the global environment as well as ever-increasing health concerns, there is an urgent demand for bringing under control the CO and NOx generated through incomplete combustion and an appeal for countermeasures against chemical allergies
This article was originally published on Engineeringtalk on 13 Oct 2003 at 8.00am (UK)
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The D6F flow sensor can be used, for instance, to measure the amount of flammable gas and air in order to achieve complete combustion for a hot water boiler etc.
Combustion occurs at an optimum efficiency never realized before now and control over the generation of substances harmful to the human body as well as reduced energy consumption is possible, taking a decisive role in promoting more attention to these environmental and health concerns.
Moreover, with sick house syndrome measures included in the revisions to building standards, this flow sensor can also be used to measure faint flow rates of circulated air for ventilation and air emission of non-wooden homes and high-rise buildings with windows that haven't been opened in years.
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Driving down the cost of indoor air-conditioning units installed in buildings or homes through size reduction, detecting whether or not air is being recycled by the difference in indoor and outdoor barometric pressure even if the ventilation fan is operating, this product contributes to an optimum, energy conserving ventilation system.
Furthermore, in the field of medicine, this flow sensor can be used to measure the amount of oxygen, nitrogen, and dinitrogen monoxide consumed from a respiratory apparatus in surgery.
Applications also include precise measurements of gases used by respiratory apparatuses and automatic calculation of medical treatment fees based on output data (accounting system), thus reducing hospital costs and helping to assure a more accurate calculation.
This new flow sensor uses Omron's proprietary MEMS technology and fluid technology for measuring the air flow rate of burning appliances, ventilators, and medical devices, and contributes to size reduction, reduced energy consumption, and total cost reduction of equipment.
Other applications for the sensor include semiconductor processing equipment requiring highly precise flow rate measurements and chemical analysis equipment.
In operation, when there is no flow, temperature distribution concentrated around the heater is uniform, but when a flow is subjected, temperature on the side of the heater facing the flow cools, the side away from the flow warms up, and the temperature equilibrium collapses.
Because the difference in temperature appears as the difference in the thermopile's electromotive force, the mass flow velocity and mass flow rate can be measured.
Omron will expand the product lineup to encompass a greater flow rate range and larger variety of gases.
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