...Testo 557 or Sman 3?
Like to hear why you do, also.
I would love to hear more about the 570 I've been reading about it and it seems to be in a class if it's own. Does the amp clamp give a simoultaneous reading with pressure superheat and subcool
you have to scroll the menu between functions, but yes, it will record simultaneously.
and the amp jaws are small enough to get around tight wiring.