SPECIFICATIONS AND ACCURACIES
Skywatch Geos 11
| Measurement | Range | Accuracy | Resolution | Response time | Measuring units |
| Windspeed | 0
to 300 km/h 0 to 186 mph |
+/- 2% | 0.1
unit to 99.9 1 unit 100 and above |
Instant | km/h (kilometers per hour) m/s (meters per second) knots Beaufort (scale of 0-12) mph (miles per hour) fps (feet per second) |
| - | - | - | - | - | - |
| Temperature | -40°C
to +85°C -40°F to +185 °F |
± 0.5°C at 25°C | 0.1
unit to 99.9 1 unit 100 and above |
Dependant on air flow* | °C
(degrees Celsius) °F (degrees Fahrenheit) |
| - | - | - | - | - | - |
| Humidity | 0.1 to 100% rH | +/-
2% at 50% rH |
0.1% rH | Dependant on air flow* | rH (% Relative Humidity) |
| - | - | - | - | - | - |
| Pressure | 10
to 1100 hPa 0.30 to 32.48 inHg |
+/- 0.5% at 25°C | 0.1
hPa 0.01 inHg |
Instant | hPa
(hectopascal) inHg (inches of Mercury) |
| - | - | - | - | - | - |
| Altitude | -1,000
to 21,535 m -3,280 to 70,653 ft |
+/- 0.5% at 25°C | 0.1m; to 2,999 m0.5m; from 3,000 to 9,999 m1m from 10,000 to 21,535 m | Instant | m
(meters) ft (feet) |
| - | - | - | - | - | - |
| Density Altitude |
- | - | 1 unit | Instant | ft
(feet) m (meters) |
| - | - | - | - | - | - |
| Variometer | - | - | 0.1 unit | Instant | m/s
(meters per second) hft/min (100 feet per minute) |
| - | - | - | - | - | - |
| Compass | 0 to 359° off N | +/- 3° | 1° | Instant | degrees off North |
| - | - | - | - | - | - |
| *Response time for temperature and humidity is highly dependant of the air flow over the exposed sensors. With air flow, response time is within a few minutes to adjust to the ambient temperature and relative humidity. With no air flow, several minutes may be required to adjust properly. |