Logic Energy have brought out a low cost but decent quality datalogger for wind.
This logger simply gives you the basic info that you need which is the windspeed distribution – how many hours the wind has blown at each windspeed. Combine this with a power curve of a wind turbine and you can figure out the energy you would have got at that site.
Power consumption is minimal, and download is by inserting an SD card briefly to obtain the data file. WT is fully made in UK under iso 9001 and EMC certified. It’s weatherproof, and for what it is it’s dirt cheap.
Now you just have to figure out what to mount it on…..
What about these ones:
10m : http://www.radioworld.co.uk/catalog/large_mast_33_feet_extended-p-4293.html?osCsid=e36510917af19e0044e5072acf7bc69c
20m : http://www.radioworld.co.uk/catalog/atm-65_11-section_portable_aluminium_mast_19_8m_65ftlong-p-5382.html?osCsid=e36510917af19e0044e5072acf7bc69c