Part# 13-04757

1,128.49$ + IVA


The Skywatch Geos 11 is a handheld weather instrument designed specifically for the demanding needs of the aviation market including flight level, height, finesse, pressure, altitude, altitude variation, and more.


  • Electronic Compass – analogical and digital
  • Three Data Recording Modes: Manual Recording by pressing two buttons, Automatic Recording at selected intervals (when unit is off or on), and Automatic Recording (when unit is on only)
  • Bright LED Light – operates on separate battery
  • Replaceable Ball Impeller – rotates to protect impeller blades
  • Exposed Sensors – for instant readings

Reference Chart

Response time
Windspeed0 to 300 km/h
0 to 186 mph
+/- 2%0.1 unit to 99.9
1 unit 100 and above
Temperature-40°C to +85°C
-40°F to +185 °F
± 0.5°C at 25°C0.1 unit to 99.9
1 unit 100 and above
Dependant on air flow*
Humidity0.1 to 100% rH+/- 2% at
50% rH
0.1% rHDependant on air flow*
Pressure10 to 1100 hPa
0.30 to 32.48 inHg
+/- 0.5% at 25°C0.1 hPa
0.01 inHg
Altitude-1,000 to
21,535 m
-3,280 to
70,653 ft
+/- 0.5% at 25°C0.1m; to 2,999 m0.5m; from 3,000 to 9,999 m1m from 10,000 to 21,535 mInstant
1 unitInstant
Variometer0.1 unitInstant
Compass0 to 359° off N+/- 3°Instant
*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.

In The Box

  • Geos Unit
  • USB Interface with software
  • Metallic Support
  • Carrying Pouch

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