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E-121
Pressure Sensor Precision:
• Values are guaranteed for a temperature range of –10°C to 40°C.
• Precision is lessened by strong impact to either the watch or the sensor,
and by temperature extremes.
Conditions
Altimeter Barometer
(Altitude)
Fixed
tempera-
ture
Effect of
variable
tempera-
ture
± (altitude differential × 3%
+ 30 m) m
± (altitude differential × 3%
+ 45 m) m
± 80 m every 10°C
± 120 m every 10°C
± (pressure differential × 3%
+ 3 hPa) hPa
± 6 hPa every 10°C
0 to 6000 m
6000 to 10000 m
0 to 6000 m
6000 to 10000 m