pneumatic altimeter

pneumatic altimeter

pneumatic altimeterclick for a larger image
An aneroid barometer whose dial is calibrated in feet or meters. It has a barometric scale that can be adjusted to any desired reference pressure. Its calibration is based on the specific lapse rate or the change in pressure with height.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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The Lenovo Zuk Edge also has a built-in blood oxygen heart-rate sensor, a pneumatic altimeter and a UV light sensor, according to (http://gadgets.ndtv.com/mobiles/news/zuk-edge-with-6gb-of-ram-launched-price-release-date-specifications-and-more-1639907) NDTV . The only real disappointment on its hardware is that the handset doesn't come with a microSD card slot for expanding that 64GB internal storage.