ArraySV_T_MEAN is the time integral of the temperature ... if you are sampling data for 0.5 seconds, you need to divide this value by 0.5 to get average temperature.nThe sampled time appears to you in the Run Calculation Task page.nTo know it nIn your UDF, it should be equal toCorrection: I have just checked the manual.ndelta_time_sampled = Sampling Interval;n