The new ultrasonic sensor uses patent-pending technology developed by TTP in Cambridge to precisely measure the speed of sound in a gas to determine its composition. While current infrared gas sensing devices for carbon dioxide can cost over £240 and paramagnetic systems for oxygen around £120, TTP believes that its new SonicSense devices will cost between £3 and £6 each in volume production. Potential medical applications include respiratory monitoring, anaesthesia and heart monitoring.
By Nick Flaherty www.flaherty.co.uk
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