On 6 June 2010 09:42, Arthur Dent <[email protected]> wrote: > After about mid 2004 the DS1620 thermometer chip was the "E" > version that displays the temperature in steps of maybe 1 degree. > I've replaced a few of these chips with "C" versions that correct the > graphing problem and make the T-bolts work properly. Unless you > want to find and replace the surface mount chip yourself, make > sure any late model (after mid 2004) t-bolt has a "D" or a "C" chip, > not an "E".
What happens when you have a TB dated 7/11/03 with a thermometer chip that is labelled:- DS1620 031001 810AA No other markings? Thanks, Steve > The older T-bolts before ~2001 had Version 2.2 firmware which I > understand isn't as much of a problem as the Piezo brand oscillator > they had. Others have commented this oscillator isn't that great. > The new T-bolts have Trimble branded oscillators which are much > better. > > -Arthur > > > > _______________________________________________ > 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. > -- Steve Rooke - ZL3TUV & G8KVD The only reason for time is so that everything doesn't happen at once. - Einstein _______________________________________________ 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.
