TATIANA Posted March 26, 2012 Report Share Posted March 26, 2012 Hello, <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> The Load Defaults button can be used to load a default scale factor and offset for the type of sensor shown in the Sensor Type field , but?are applied scale factor and offset type in instantaneous values (1 second) sampling or in average data over a 10-minute period? Some values download in the SymphoniePLUS3 logger and the Symphonie Data Retriever (SDR) software are less than default offset values (for example, anemometer value: 0.02) Thanks, Link to comment Share on other sites More sharing options...
David Carlson Posted March 28, 2012 Report Share Posted March 28, 2012 All recorded data (as in on the SD card) are raw, unscaled values. This means that changes can be made to the scaling without affecting the recorded data. The real-time view of data on the loggers screen is meant as a reference. You may find slight discrepancies in the displayed values on the order of 0.02 m/s. I hope that helps, Dave Link to comment Share on other sites More sharing options...
TATIANA Posted March 29, 2012 Author Report Share Posted March 29, 2012 Hello, <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> Is applied transfer function to values of 1second to useful units of measure (m/s) or are all recorded data as Frequency values? If transfer function is applied?.when the measured value is 0 (1second value)?is applied transfer function also? Standard deviation of wind speed; which method do your logger use to calculate this? Thanks, Link to comment Share on other sites More sharing options...
David Carlson Posted March 30, 2012 Report Share Posted March 30, 2012 1) All 1-second samples are recorded as pulse counts; these are averaged and stored as raw pulse count information every ten minutes 2) Our SD calculations for wind speed are pretty straight ahead. We're essentially doing a one-pass SD calculation. Link to comment Share on other sites More sharing options...
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