Hi Bob, On 7 June 2010 23:51, Bob Camp <[email protected]> wrote: > Hi > > It's also amazing that the laser marking systems seem to get worse and worse > at marking parts legibly....
That's the modern definition of progress. Steve > Bob > > > On Jun 6, 2010, at 10:25 PM, Steve Rooke wrote: > >> Arthur, >> >> On 7 June 2010 02:21, Arthur Dent <[email protected]> wrote: >>>> On 6 June 2010 09:42, Arthur Dent <golgarfrincham at yahoo.com> 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 >>> +++++++++++++++++++++++++++ >>> Steve, If you check closely I think you'll find that the line you read as >>> "031001" is actually 0310D1" where the 5th character is a capital "D". >>> The 03 is the year and the 10 may be the month of the year. The D1 is >>> the revision code. The "C" version was before maybe 2000 so you won't >>> see those unless they are used as replacements and the "E" revision >>> wasn't used until late 2004. >> >> Many thanks for your excellent explanation of this. Seems my old tired >> eyes even with a magnifying glass were not up to the task. It's ironic >> that the older we get the smaller they make the parts. >> >> Best regards, >> Steve >> >>> -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. >> > > > _______________________________________________ > 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.
