If you are sending it in you could just tape the cases halves together and let them replace the screws. You may want to check with them about it but I would be more surprised than not if they charged you for it.
On Sat, Jun 10, 2017 at 4:46 PM, Jerry Hancock <je...@hanler.com> wrote: > John, I measured the threads to be metric at .7mm pitch. I believe it to > be an M4 x .7 x 49mm though most likely a 50mm will work or even a 48mm > (length). > > > > On Jun 10, 2017, at 3:02 PM, Chuck Harris <cfhar...@erols.com> wrote: > > > > HP has been metric for years. > > > > Dr. David Kirkby (Kirkby Microwave Ltd) wrote: > >> I've done something rather stupid with my 3457A. I took it apart to > replace > >> the battery, and then seem to have mislaid the screws that hold the > thing > >> together. As far as I can see, there are 4 screws in the base. The > problem > >> is, I don't know what type they are. Could anyone with a 3457A tell me > the > >> type - a photo with dimensions on emailed to me would be great. I'm > >> guessing these will be an American thread of some sort. I can get these > in > >> the UK, although not quite as readily as metric. But of course its > >> difficult if you don't know what you want. > >> > >> FWIW, I decided not to change the battery. Having visited Keysight in > >> February, their cal lab manager said if I asked for it, they would check > >> the calibration of the instrument before replacing the battery, then > >> replace the battery at zero cost*, then calibrate it. So I would get > before > >> and after data anyway. > >> > >> * This assumes the battery is not very expensive. If the battery was > >> expensive, I'd have to pay for the battery. > >> > >> My 3457A has not seen a cal lab in a couple of decades, so I think it > >> deserves a check over. > >> > >> Dave > >> _______________________________________________ > >> volt-nuts mailing list -- volt-nuts@febo.com > >> To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/volt-nuts > >> and follow the instructions there. > >> > > _______________________________________________ > > volt-nuts mailing list -- volt-nuts@febo.com > > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/volt-nuts > > and follow the instructions there. > > _______________________________________________ > volt-nuts mailing list -- volt-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/volt-nuts > and follow the instructions there. > -- *John Phillips* _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.