Thanks for the pointer I have a pretty dirty pdf from some place the links very clean. Paul WB8TSL
On Thu, Nov 1, 2012 at 7:24 PM, Magnus Danielson <[email protected] > wrote: > On 11/01/2012 10:27 PM, Attila Kinali wrote: > >> On Thu, 01 Nov 2012 21:51:21 +0100 >> Magnus Danielson<magnus@rubidium.**dyndns.org<[email protected]>> >> wrote: >> >> >> Yesterday I picked up a Sulzer 5A + 5P without batteries. It is supposed >>> to have 21 D-cell NiCd batteries, but today those are not easy to come >>> by, >>> >> >> NiCd Batteries still exist, but have been mostly replaced by LiIon/LiPoly >> packs these days. Though, you should be still able to find NiMH batteries, >> which are in most cases a drop in replacement for NiCd, if you keep >> two things in mind: >> >> 1) The maximum charge current of the battery should never be exceeded. >> NiCd were much more forgiving in that regard. >> >> 2) When charging finished, then the batteries need to be disconnected >> unless you do a trickle charge. At least this was a problem with the >> early NiMH, it might have changed in the past 15 years. Check datasheet. >> >> 3) Charge end detection for fast NiCd chargers (>1C) does not work with >> NiMH as the negative Voltage slope of NiMH is not as pronounced as with >> NiCd. If you have such a charger, you need to replace it with a modern >> one. >> > > Thanks for the input guys! > > The manual for them both is at > http://www.ko4bb.com/Manuals/**09)_Misc_Test_Equipment/** > Sulzer_Laboratories_Model_5A_**Frequency_Standard.pdf<http://www.ko4bb.com/Manuals/09)_Misc_Test_Equipment/Sulzer_Laboratories_Model_5A_Frequency_Standard.pdf> > > The 5P manual describes the charging operation, it has a 50 mA charge > current, a fast charging feature. > > By the look of things, the way that the design is done, it should survive > without the battery-pack installed. > > > Cheers, > Magnus > > ______________________________**_________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/** > mailman/listinfo/time-nuts<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts> > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
