Brent that's a great idea since I have one too. Rick
On Tue, May 5, 2020 at 7:54 PM Brent Gordon <[email protected]> wrote: > Rick, > > I tried my cell phone camera on a working Keithley 2400 VFD and could > not see the filament. I'll try a thermal camera tomorrow. > > I have very little experience with VFDs. > > Brent > > On 5/5/2020 11:53 AM, Rick Bale wrote: > > David and Brent, > > > > I didn't pick up any change in the VFD's surface with the iphone when I > > powered it on. So I took it apart completely to see the naked VFD. The > > two getters in the far end corners are still dark black and shiny. Looks > > brand new as opposed to the light grey bad ones I've seen in pictures. > > > > Since it's apart and disconnected from the unit I'm inclined to power the > > VFD up directly. I need to map out the connections. Have you guys ever > > done this before? > > > > Rick > > > > > > On Tue, May 5, 2020 at 6:42 AM David C. Partridge < > > [email protected]> wrote: > > > >> It's also worth checking the "getters" in the VFD - are they shiny > metallic > >> or white? If white your VFD has lost it's V(acuum) > >> > >> D. > >> -----Original Message----- > >> From: volt-nuts [mailto:[email protected]] On Behalf Of > >> Rick > >> Bale > >> Sent: 05 May 2020 03:43 > >> To: Brent Gordon > >> Cc: Discussion of precise voltage measurement > >> Subject: Re: [volt-nuts] Solartron 7081 > >> > >> Brent, I check that our tomorrow. Thanks > >> > >> Rick > >> > >> > > > > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/volt-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/volt-nuts_lists.febo.com and follow the instructions there.
