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The Skywatch Geos No.11 is a high performance professional instrument benefiting from 25 years of experience developing measuring devices. It uses only industrial quality components and pressure, wind speed, temperature and humidity sensors that are made in Switzerland.
The Skywatch Geos No.11 is specially designed for intensive use in harsh environments. Multi-purpose, accurate and equipped with a large memory capacities with the ability of real time data transfer, the Geos No.11 and its accessories are particularly well adapted for numerous activities. For example, aviation; reading of the flight level, height, finesse, pressure, altitude, altitude variation, etc. | | 
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Accessories |
 | | | | | |  | | Multi-functional support Multi-functional support bracket for easy positioning of the Geos.
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| | | | | |  | | Carry pouch This stylish carry pouch ensures the protection of the Geos.
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| | | | | |  | | Skywatch Log with cable interface The Skywatch Log software comes complete with either an RS232 serial cable or USB cable to connect to your PC. Download information directly from the Geos and view the data using Skywatch Log software.
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Features |
| | | | > Current, average and maximum wind speed
> Current, minimum and maximum wind chill
> Current, minimum and maximum relative humidity and dew point
> Absolute pressure, relative pressure (QNH), pressure corrected to the official airfield elevation
> Current, maximum and density altitude
> Weather tendencies
> Height
> Flight level and finesse
> Variometer
> Digital and analogue electronic compass, resolution 1 degree (Geographic or Magnetic North)
> Clock and calendar
> Chronometer
> Battery level status
> High efficiency LEC micro flash-light
> Manual and automatic data recording
> PC data transfer via RS232 serial or USB
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Accuracy |
| | | | > Wind speed: +/- 2%
> Temperature +/- 0.5°C
> Humidity +/- 2%
> Pressure +/- 0.5%
> Compass +/- 3°
> Clock <0.1 second per day when calibrated
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Resolution |
| | | | > Wind speed: 0.1 unit; 0.1 to 25.0 beaufort
> Temperature: 0.1°
> Windchill: 0.1°
> Dew point: 0.1°
> Humidity: 0.1% rH
> Pressure: 0.1hPa - 0.01 inHg
> Altitude: 0.1m from -999.99 to 3000m; 0.5m from 3000 to 10000m; 1m from 10000 to 21535m
> Density altitude: 1 unit
> Height: 0.1m - 1ft
> Variometer: 0.1 unit
> Weather forecast: 0.1 hPa - 1 inHg
> Compass 1°
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Sensor response time |
| | | | > Wind chill: instant
> Temperature: very reactive
> Humidity: very reactive
> Pressure: instant
> Compass: instant
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Measurement range |
| | | | > Wind chill: 0 to 300 (peak) km/h
> Temperature: -40 to 85°C
> Humidity: 0.1 to 100% rH
> Pressure: 10 to 1100hPa
> Altitude: -1000 to 21535m
> Perpetual calendar: to year 2175
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Operating temperature |
| | | | > Normal operating temperature: from -10 to 70°C
> Reading of display still possible: from -20 to -10°C
> Slow reading of display, but instrument still working: from -40 to -20°C
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Other features |
| | | | > Backlight
> Waterproof (5 minutes at 1 metre)
> 4 replaceable lithium batteries CR2032 (1 for the instrument, 1 spare and 2 for the LED light)
> Auto-off (after calibrated time) or permanent operation
> Mineral glass screen
> Wind vane
> Metal case
> 1 year warranty
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