I suspect this was an inadvertent mis-post to time-nuts intended for volt-nuts
On 4/16/2011 4:01 PM, WB6BNQ wrote: > JF, > > Not meaning to be unfriendly, BUT this list * * IS NOT * * a "general" test > equipment repair faculty. > > The unit in question is a series of regulated voltage sources that are > adjustable. Being adjustable means it is not absolute. Equally so, your > 3458A is, likewise, adjustable and is totally dependent upon the references > it was adjusted against. Besides the type of wires and corresponding > thermals in your connection arrangement, you have the ambient > temperature in the mix. > > As you state you just bought it used, how do you expect it to be perfect ? > It has most likely been kicked around for a while and with no known > calibration history, those values do not surprise me at all. Do you really > think your 3458A is perfect ? Is your "cal lab" really up to the job ? If > so, then send your new BOX to them and compare after you > get it back. > > Your question "What is the reference of the replacement batteries ?" is > ambiguous. If you meant the part number, then open it up and do the > research. As for the batteries, except for mounting issues, they are just a > power source for all the different regulated supplies that feed those front > panel connectors. > > Bill....WB6BNQ > > > JF PICARD wrote: > >> I am looking for the service manual of the Datron Wavetek 4910. I have just >> got this reference standard from Ebay : is it normal to see 3 cells at 2 or >> 3 µv under 10V and one at + 13µv (23°C with 3458A just calibrated >> yesterday) or it is an obvious problem with the cell (the third one) ? What >> is the reference of the replacement batteries ? Thanks. >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. -- mailto:o...@ozindfw.net Oz POB 93167 Southlake, TX 76092 (Near DFW Airport) _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
