Re: Looking for data on 9-pin Vacuum time delay relays used in old Tek-scopes
" If you were building a replacement for one of these delay relaystoggle quoted messageShow quoted text
(hypothetically speaking, maybe for a 533A), would it be enough to have a
timer that cut a relay in after a fixed time? Is that really all that the
delay relay is doing?"
If its filaments are in the heater chain, something would need to be done
to replace the filament of the time tube. Also, if it is in the heater
chain in a serial fashion (I don't think they are, eh? I have to study the
schematics again), that is a safety factor if one tube's filaments open,
that power does not get applied.
I am probably overthinking it. a 555 and a S202SE2 SS Relay would probably
On Sun, Jul 18, 2021 at 11:06 PM Jeff Dutky <firstname.lastname@example.org> wrote: