 Instruments - Windmeters
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(Click image for a larger view) | 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. |
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- 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
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Measurement | Range | Accuracy | Resolution | Response time | | Windspeed | 0 to 300 km/h
0 to 186 mph | +/- 2% | 0.1 unit to 99.9
1 unit 100 and above | Instant | | 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* | | Humidity | 0.1 to 100% rH | +/- 2% at
50% rH | 0.1% rH | Dependant on air flow* | | Pressure | 10 to 1100 hPa
0.30 to 32.48 inHg | +/- 0.5% at 25°C | 0.1 hPa
0.01 inHg | Instant | | 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 | Density
Altitude | - | - | 1 unit | Instant | | Variometer | - | - | 0.1 unit | Instant | | Compass | 0 to 359° off N | +/- 3° | 1° | 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. | | |
