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L'altimètre



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Altimètre


1)Specifications
================

  Size                         59mmx25mm high
  Weight                       51g 
  Altitude measuring range     0m - 5,000m (0 - 16,500ft)
  Resolution                   20m (100ft)
  Altitude accuracy            Within + or - 3% 
  Atmospheric pressure  
  measuring range              620 - 1040hPa ( 18 - 31 inch Hg)
  Resolution                   5hPa ( 0.15 inch Hg ) 
  Sensor                       Aneroid -type barometeric
  Value-added feature          Weather Outlook Indication
  Working Temparature range    -30C - 80C (-22F - +176F)
  Working Humidity range       30 - 90%  
  Country of Origin            Japan

2)Altitude vs accuracy
======================
  	 	         Accuracy
  Altitude            within + or - 3%
  ----------------------------------------
  500 	          	+ or - 15m
  1000 	          	+ or - 30m
  1500 	 		+ or - 45m 
  2000 		 	+ or - 60m
  2500 			+ or - 75m
  3000 			+ or - 90m
  3500 	 	 	+ or - 105m
  4000 	   		+ or - 120m

3)Atmospheric Pressure vs accuracy
==================================

  Atmospheric 
  Pressure 	         Accuracy
  ----------------------------------------
  1040 - 950 		+ or - 2hpa
  900 			+ or - 3hpa
  800 			+ or - 6hpa
  700 			+ or - 8hpa
  650 			+ or - 9hpa