Bayard-Alpert ionization gauge sealed onto a test tube. John
On 06/17/2012 11:31 AM, John Rehwinkel wrote: >> Recently we made some vacuum-jacketed cold cathode lamps for use in a >> cold climate. A single 10mm evaporative getter was sufficient to pull >> down a 25mm X 4 ft long tube to <10E-7 Torr. > > Yeah, I'd expect that kind of performance. How did you measure the residual > pressure? > > - (other) John > -- John DeArmond Tellico Plains, Occupied TN http://www.neon-john.com <-- email from here http://www.johndearmond.com <-- Best damned Blog on the net PGP key: wwwkeys.pgp.net: BCB68D77 -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to neonixie-l@googlegroups.com. To unsubscribe from this group, send email to neonixie-l+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
