Testing the Anemometer

Testing the Anemometer. I bought this a while ago and keep it in the back of the car to use when I go flying kites or model planes but usually forget to use it. I tried it today and then found the wind dropped as soon as I tried to fly the kite. I was also testing my cheap action camera attached to my baseball cap. Although it kept the kite on screen OK the quality and resolution of the video is poor.

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Here is a selection of my related playlists/videos
Grandad's Postbag 170722 Anemometer https://youtu.be/EKgD0Hg2khc?list=PLA5a2xPRSrB2WJXULAHJCeccvzkT3midw
Kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB0cQEd8EvTU8x2pySWEaJGH
Kite Messenger playlist https://www.youtube.com/playlist?list=PLA5a2xPRSrB1qxhVNX_grFQM4oa9b2llo
Box Kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB38m-SeaqghfkhODNr6JtpK
Delta Kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB2n7Am3bjlrJP7bEOvf5iQs
Diamond kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB2cSIQ6FKpY8scXXKXMbGVb
Novelty Kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB1E8y_1uBPhH9ZgaIEE44nk
Parafoil Kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB2sjdwW4S78G74YkwEFlpyZ
Sled Kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB16eQ5JmOOufCB2_cxr1ZQp
Stunt Kites https://www.youtube.com/playlist?list=PLA5a2xPRSrB1QuEZST2ynQ8kMVItu0Mbm
Wind Copter Helicopter Kite https://www.youtube.com/playlist?list=PLA5a2xPRSrB2cQcygJHkKaLMEmRq-CjIo
Yeo Valley Kite https://www.youtube.com/playlist?list=PLA5a2xPRSrB0OAsWPtLIe82kmWkib1Bqf
Kite train or stack https://www.youtube.com/playlist?list=PLA5a2xPRSrB3nvrCZffSnOWKJKeNHVwOK
Handy kite related link http://www.thekitesociety.org.uk/KiteRules.html
Sports HD DV Camera SJ4000 https://www.youtube.com/playlist?list=PLA5a2xPRSrB0GMXeRRtUOX5phSwUWrVV7

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Details from the eBay listing
Features:
Measure wind speed and temperature.
Large easy-to-read LCD display with backlight.
Wind speed in Beaufort wind scale bar graph.
Wind chill indication.
Data hold function.
High precision pressure sensor.
Quick response, external thermistor.
Auto/manual power off.
Temperature display in ℃/F.
Wind speed range: 0-30m/s
Wind temperature range: -10 - 45℃ (14-113F)
Current/max/average wind speed reading.
Wind speed unit: m/s, Km/h, ft/min, Knots, mph.
Powered by a 3V CR2032 battery.

Specifications:
Air Velocity:
Range: 0 - 30m/s, 0 - 90km/h, 0 - 5860ft/min, 0 - 65mph, 0 - 55Knots
Resolution: 0.1m/s, 0.3km/h, 19ft/min, 0.2mph, 0.2Knots
Threshold: 0.1m/s, 0.3km/h, 39ft/min, 0.2mph, 0.1Knots
Accuracy: +/- 5%
Air Temperature:
Range: -10 - 45℃, 14 - 113F
Resolution: 0.2℃, 0.36F
Accuracy: ±2℃, ±3.6F
Power Supply: 1 * 3V CR2032 battery (Not Included)
Thermometer: NTC Thermometer
Operating Temperature: -10~45℃ (14~113F)
Operating Humidity: less than or equal to 90%RH
Storage Temperature: -40~60℃, -40~140F
Current Consumption: About 3mA
Item Size: 105 * 40 * 18mm
Item weight: 50g