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Skywatch Geos11 High Precision Portable Weather

Skywatch Geos11 High Precision Portable Weather
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Product Description

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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