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  Altimeter

 Sigma KEE - Altimeter

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Altimeter
A Device that measures the vertical distance to the some reference point of the surface below. This may be the mean sea level or the actual surface of the earth.
Relationships      
Parents MeasuringDevice Any Device whose purpose is to measure a PhysicalQuantity.
Children AbsoluteAltimeterA type of Altimeter that measures vertical distance to the surface below, using radio, radar, sonic, laser, or capacitive technology.
 BarometricAltimeterA type of Altimeter which measures vertical distance to the mean sea level, using pressure level and calculated according to the standard atmosphere laws.


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