It is only a 5 digit multimeter. The specifications for the temperature controlled reference and amplifiers are 10 times better than the basic accuracy.
On Sat, 14 May 2016 10:26:42 -0500, you wrote: >Note that the 3450B has an accuracy of 10E-5. > >You're probably looking for something a lot better than that. > >Bill Hawkins > >>-----Original Message----- >>From: David >>Sent: Friday, May 13, 2016 8:28 PM > >>It figures that HP would have done this if anybody had. I am not that >>familiar with their design history so thanks for bringing this to my >>attention. > >>I did not find anything in the theory section of the original service >>manual although it does have the schematic but K04BB has a supplement >>which discusses the 3450A peltier chamber and circuit in detail. They >>even sort of mention that the gain of the peltier differs significantly >>between heating and cooling. _______________________________________________ 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.
