Ed, Look up the Keithley 262 low thermal divider. The switches are made from what appears to be unplated FR4. An article on how it was made can be found here https://xdevs.com/fix/kei262/
The user manual describes a lubricant that should be applied to the surface after cleaning. It happens to be made by Caig, or at least it used to be. Perhaps they can tell you if one of their current products is the same thing under a different name. Todd <https://xdevs.com/fix/kei262/> On Sat, Jun 6, 2020 at 5:48 PM Dr. David Kirkby < [email protected]> wrote: > Dr David Kirkby Ph.D C.Eng MIET > Email: [email protected] Web: > https://www.kirkbymicrowave.co.uk/ > Kirkby Microwave Ltd (Tel 01621-680100 / +44 1621-680100) > Stokes Hall Lodge, Burnham Rd, Chelmsford, Essex, CM3 6DT. > > > > > > On Sat, 6 Jun 2020 at 20:15, ed breya <[email protected]> wrote: > > > I would like to get any feedback or experience info on whether Deoxit > > would help sufficiently to improve mechanical switch contact performance > > used in very low (nV) level circuits. I posted this question in the > > tekscopes group a while back, but with no response. I was surprised that > > there was no info from such a wide-ranging group, but maybe here in > > volt-nuts, with narrow focus, it will stand a better chance. Here is > > approximately what I wrote, slightly edited, for consideration. > > > > This is outside my area of expertise. I would certainly take a look at the > Keithley low-level measurement handbook > > https://download.tek.com/document/LowLevelHandbook_7Ed.pdf > > that might give you some ideas. > > Dave > _______________________________________________ > 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.
