Hello, my 34401 returns 200 values in a string with this format: -1.42979706E-03,+4.46900451E-03,-8.48235088E-04,-2.17539596E-03,-1.34144462E-03,+4.50590958E-03,-9.78340028E-04,-2.31519575E-03,-1.10844497E-03,+4.70200416E-03,-9.83187455E-04,-2.45499555E-03..... So the numbers are comma-separated and the doubles have a point. How can i now move this values into a double-array? Thanks for the help

Hi OnlyOne, you should note that you configured your computer wrongly You use German/East Europe regional settings with "," as decimal separator and try to convert measurement data using "." instead... Well, try a format string of "%.;%f" - and read the help for format strings! When the different format string also fails, you may try this one: