> Date: Wed, 18 Apr 2012 23:49:06 +0200 > From: fabioeb@quipo.it > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] 7081 connector part number Q > > The mickle way seems the best, but I have to find some > solid teflon, and a way to drill precisely. > > I could also put a good quantity of teflon tape around > the pins, so the resin doesn't come in contact with the > measurement pins, but after I should test the connector. > Is there a way to estimate the leackage for such a cable? > Reading a stable Voltage source with and without a series > resistance? yes, Use a voltage source with and without a high value series resistor > > Fabio. > > m k <m1k3k1@hotmail.com> ha scritto: > > > > > > > > >> Date: Wed, 18 Apr 2012 16:16:21 +0200 > >> From: fabioeb@quipo.it > >> To: volt-nuts@febo.com > >> Subject: Re: [volt-nuts] 7081 connector part number Q > >> > >> Hello, followed the discussion about connector, I don't want to > >> spend more on the connectors than on the meters I have. > > Yes, it seems painful, but the alternative is to butcher the meter. > >> I'm thinking to build some, I have a pair of cheap kelvin clips, > >> the ones used on RLC meters with 4bnc connectors. > >> The bnc central pin fits in the solartron connector and also bnc > >> outer shell fits in, so I can use one shell and 5 pins to build > >> a connector, I need a way to fix in place the pins. > >> Each pin will be soldered to cable and isolated by heat shrink tubing, > >> after it will be inserted in the connector and I will use > >> a syringe to inject some glue to fix them in place, naturally > >> the connector will be held vertical and the bottom of the connector > >> will be sealed. > > The way to do it is to machine a part like Mickle did. > >> I'm thinking about some two component glue like uhu plus > >> in the connector, what do you think about this, will I have leackage > >> problems? > > I think it is quite likely, the specified parts are made with a PEEK > > insulator.I remember having a teflon part machined for the company I > > was working for and the subcontractor used an inappropriate cutting > > fluid so the teflon was badly conductive. a week in the ultrasonic > > bath with HPLC grade 99.999% IPA didnt cure them, they had to be > > scrapped. > >> > >> Fabio. > >> > >> "David C. Partridge" <david.partridge@perdrix.co.uk> ha scritto: > >> > >> > Be prepared for pain. When I last got some a couple of years ago > >> > they were about £25 plus VAT per connector, with a MOV of about £100. > >> > > >> > 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. > > > > > > ---------------------------------------------------------------- > This message was sent using IMP, the Internet Messaging Program. > > > > _______________________________________________ > 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.

Fabio Eboli wrote: >> I think it is quite likely, the specified parts are made with a PEEK insulator.I >> remember having a teflon part machined for the company I was working for and the >> subcontractor used an inappropriate cutting fluid so the teflon was badly >> conductive. a week in the ultrasonic bath with HPLC grade 99.999% IPA didnt cure >> them, they had to be scrapped. >>> >>> Fabio. 99.9% IPA doesn't do much good as a solvent for water soluble compounds, and I would imagine the conductive cutting fluid was water based (as are most cutting fluids these days), so a soak in some detergent/water mixture would probably have fixed the problem... but I guess we will never know. -Chuck Harris