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Skywatch Geos11 High Precision Portable Weather

Skywatch Geos11 High Precision Portable Weather
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Skywatch Geos11 High Precision Portable Weather

The Skywatch Geos 11 is a high-performance professional instrument benefiting from 25 years of experience in developing measuring devices. It uses only industry-quality components and pressure, windspeed, humidity and temperature sensors and is made in Switzerland. The Skywatch Geos 11 is specially designed for intensive use in harsh environments and ideal for wind turbine testing applications.

Multi-purpose, accurate and equipped with large memory capacities with the ability of real time data transfer, the Geos 11 and its accessories are particularly well adapted for numerous activities:

Use with the Skywatch Log software Upload stored data from your Skywatch Geos 11 Upload live data displayed on graphs or meters Calibrate all the sensors of the Skywatch Geos 11 Record, store and export all data on Microsoft Excel or any other spreadsheet program

Fields of Application

Agriculture: control of wind speed and direction before using sprayed chemicals

Agri-foodstuffs: control of storage environment (temperature, humidity)

Automobile: high-performance engine mechanics (density, altitude)

Aviation: reading of flight level, height, finesse, pressure, altitude, altitude variation, etc.

Rappelling: check the height when rappelling down

HVAC: air flows and temperature measurements

Sporting events: measurement of weather conditions during meetings, contests validation

Trekking: recording of extreme conditions (mountains, deserts, polar spots), warning of sudden weather changes, wind chill indication

Civil engineering: security on sites, labour working conditions

Geology: altitude and stratum measurement

Military: heat stroke prevention, long range shooting, skydiving, artillery, weather conditions, checking in case of chemical attacks

Firefighters: managing the risk of forest fire propagation (wind speed and direction)

Reptiles: control and maintenance of livable conditions (temperature and humidity)

Rescue teams: evaluation of weather conditions for rescue and survival operations (coast guards, air rescue, etc.)

Science: meteorology, environment, aerodynamic, etc.

Sport and leisure: mountain bikes, climbing, alpinism, hiking, archery, fishing, golf, scale models, kites, etc.

Free flight: hang gliding, paragliding, skydiving, balloon, base jumping, wing flight

Volcanology: crater height measurement, risk evaluation of gas emanation, etc.

Technical specifications


  • Units: km/h - m/s - knots - Beaufort - mph - fps
  • Resolution: 0.1 unit 0.1 to 25.0 Beaufort
  • Measuring cycle: instant
  • Accuracy: ±2%
  • Measuring range: 0 to 300 (peak) km/h


Units: C° and F°
Resolution: 0.1°<99.9 then 1°>100
Measuring: very reactive
Accuracy: ±0.5°C to 25°C
Measuring range: -40°C to +85°C


  • Units: %rH
  • Resolution: 0.1 %rH
  • Measuring cycle: very reactive
  • Accuracy: ±2% to 50%rH
  • Measuring range: 0.1 to 100%rH


  • Units: m/ft (feet)
  • Resolution: 0.1m from -999.9 to 3000m, 0.5m from 3000 to 10000m, 1m from 10000 to 21535m
  • Accuracy: 0.1m - 1m
  • Measuring range: -1000 to 21535m


  • Units: hPa (mbar) - inHg (inch of Mercury)
  • Accuracy: ±0.5% to 25°C, ±1.5 hpa to 25°C


  • Backlight
  • Waterproof (5 minutes at 1 metre)
  • 4 replaceable lithium batteries CR2032 (1 for the instrument, 1 spare for instrument and 2 for LED light)
  • Auto-off (after calibrated time) or permanent operation
  • Mineral glass screen
  • Wind vane
  • Metal case

1 year warranty


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