I think I must have missed something basic, but I am not sure if I need to try the streaming option or not. I am using Access with VBA to make samples using the form's timer function. This is set to a delay set by the user, but will most likely be set to 1 minute. This seems to work ok with the usb_...

No, I haven't tried that, in part because it doesn't seem to be declared in the vb example.

I am trying to declare it and use it, but not having too much success.

I am using the TC08 (USB) via VBA in Access 2003. I don't have a problem opening, closing and getting data from the unit, however when I try to get information from the unit (I ideally need to get the serial number), using the following code, Access crashes (sometimes without the crash diagnosis box...