Basic information of the altimeter
Measurable range –300 to 10 000 m
Accuracy
assurance
temperature
–20 °C (–4 °F) to 40 °C (104 °F)
Unit for
indication
Lower than 6 000 m: 2.5 m
6 000 m or higher: 5.0 m
Assured
accuracy
± ([Altitude difference from the
point altitude calibration was
executed] x 2% +15) m
• The accuracy is guaranteed when temperature is constant after altitude calibration.
• The assured accuracy is that of altitude difference from the altitude calibration point, not
accuracy of measured altitude to actual one.
Example: Error range at 700 m height when altitude was calibrated at a point of 500 m height
(700 – 500) x 2% + 15 =19 Thus the assured accuracy is ±19 m and error range is 681 m to
719 m.
Information
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