ZephyrFree Wind Speed Meter for Android

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Key Details of ZephyrFree Wind Speed Meter

This application brings the functionalities of a basic anemometer to your phone.
Last updated on January 29, 2018
There have been 6 updates
Virus scan status:
Clean (it’s extremely likely that this software program is clean)

Developer’s Description

By Gaia Consulting

This application brings the functionalities of a basic anemometer to your phone.

This application brings the functionalities of basic Anemometer (max 20 m/s) to your phone. This free edition has a reduced download size and a minimal presence of advertising. No sensors required: realtime wind speed reading just using your smartphone microphone. The typical wind range is 1-16 m/s (max 20 m/s) : the full scale is limited by the internal mic maximum SPL. Dynamic wind speed measuring mode with real time chart, wind direction display (compass). Suitable for any winter and summer wind sport. Do you want more? Try the Zephyrus Lite edition (free). >Quick startThe application relies on the mobile microphone signal. To achieve the best results consider the following: 1) fast calibration (only the first time) : see the calibration section of the user manual2) avoid measurement in presence of loud noises (heavy traffic, motorbikes, trucks, loud talking, shots) 3) check that there are no wind shields on your mic (such as fingers, covers or labels) 4) orient the back of the phone in the direction of the wind (keeping the display in front of you) 5) click the wind meter button>>Troubleshooting1) Wrong calibration: You must set the Noise level: see the User's Guide calibration section. 2) Attenuation on mobile mic: your measurements never reach the thereshold blue line. Restart android3) No signals detected below 1 m/s or over 20 m/s: The smart phone microphones do not work under/over a specific pressure. Due to the maximun SPL level supported by the mic, the maximum speed detectable by the smartphone is lower than 20 m/s (usually it is about 15 m/s).