Hello - you were asking about electronic "tuners."
I have tghe new $300 Korg, and it works for the continuo organ,
but for harpsichord work it's junk.
I use (when it still worlks) a machine sold for $500 some years
ago by Tuners Supply of Boston (now defunct.) It is not perfectly
accurate, but has resolution down to les than one cent.
Robert Kohnen showed up here last year with a new German machine
which he found extremely accurate; it cost something above $800,
as I recall.
But I'll write it again (and sorry if it should offend:
A tuning machine is to tuning as a sexual aid is to ses:
It makes some things easier, maybe some things possible,
but you still have to do all the work yourself.
Tuning is something YOU do; the objective is to get
a musical result, and no machine can guarantee that. In addition,
there are details of technique with the tool on the pins which
are at least as important to sort out as the exact details
of an old temperament.
So putting your faith and all your attention on finding the
right machine is a mistake. The place to put the effort is in
your own skills - just like in playing.
Sorry to scold - be encouraged. Practice, practice, practice...
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