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