james@kbk.co.za Posted May 7, 2009 Report Share Posted May 7, 2009 Hi, I need some advice please. I am using a Cr1000 datalogger with 60 meter NRG tower with the 7 NRG windspeed and direction sensors. How often must I measure each and how often must I log the average of those measurments to be acceptable for further analysis ? Sincerely James Link to comment Share on other sites More sharing options...
David Carlson Posted May 7, 2009 Report Share Posted May 7, 2009 Hi James, That is a good question. Starting with our 9000 series loggers (9200, 9210) we standardized our sampling rate to 2 seconds, recording 10 minute averages of those samples. Since then, this has been regarded as the de facto standard for wind measurement campaigns around the world. For wind turbine power performance, 1 minute averaging is preferred. All the best,Dave Link to comment Share on other sites More sharing options...
james@kbk.co.za Posted May 7, 2009 Author Report Share Posted May 7, 2009 Dave, Thanks for the info. Sincerely, James Link to comment Share on other sites More sharing options...
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