First of all, thanks so much for this software! I have been using the NI-VISA based PyVisa before for controlling instruments, but this National Instruments stuff is crashing and freezing randomly since years, which is very frustrating.
I bought one of those ET4410 LCR Meters as well and find it quite nice actually. I downloaded TC and could gain control to the instrument. However, I am running into similar issues like Martin72. I can send the :FETC? command and it nicely returns the values of what I have set. Perfect. But now, how can I log these values and create a chart?