Bad resistors
in [Design]
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From: Baron on 23 Jun 2010 16:17 DrParnassus Inscribed thus: > On Wed, 23 Jun 2010 12:19:33 -0700, John Larkin > <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote: > >>> You do not understand. I am not talking about the equipment. >> >>Then what are you talking about? Are the Agilent and Keithley >>instruments unusable? > > Zero common sense. If it ain't the gear it the hand that is on the > gear, dippity doo da. What a plonker ! -- Best Regards: Baron.
From: DrParnassus on 23 Jun 2010 16:17 On Wed, 23 Jun 2010 19:38:01 GMT, Jan Panteltje <pNaonStpealmtje(a)yahoo.com> wrote: >you are a waste of every bodies time. Bwuahahahahahahaahaha!
From: TTman on 23 Jun 2010 16:41 "Jan Panteltje" <pNaonStpealmtje(a)yahoo.com> wrote in message news:hvso9v$1ui$1(a)news.albasani.net... > On a sunny day (Wed, 23 Jun 2010 15:00:49 +1000) it happened "Phil > Allison" > <phil_a(a)tpg.com.au> wrote in <88dioeFindU1(a)mid.individual.net>: > >> >>"Jan Panteltje" >>> Got 10 resistors on tape marked 2M7. >>> Used one, circuit did not work right. >>> Took some testing ... before I measured the resistors. >>> Of the 10 several are 620 k and not 2M7. >>> Bought from www.voti.nl, so beware. >>> All are marked with the right color code for 2M7. >>> >>> New to me :-) >> >> >>** Though pretty rare, I have come across wrongly marked resistors in a >>piece of commercial equipment !! >> >>Dozens of resistors colour coded as 3.3kohms were in fact 4.7 kohms. >> >>The correct value WAS 4.7 kohms - so the equipment maker knew about the >>wrong coding !! >> >> >>.... Phil > > Yes I can understand that. > But 2M7 -> 620k is not even in that E series (560k 680k 820 k). > > what a bunch of squabbling kids.....
From: Jan Panteltje on 23 Jun 2010 18:08 On a sunny day (Wed, 23 Jun 2010 21:41:44 +0100) it happened "TTman" <someone.pc(a)ntlworld.com> wrote in <hkuUn.19485$ex1.7715(a)newsfe11.ams2>: > >"Jan Panteltje" <pNaonStpealmtje(a)yahoo.com> wrote in message >news:hvso9v$1ui$1(a)news.albasani.net... >> On a sunny day (Wed, 23 Jun 2010 15:00:49 +1000) it happened "Phil >> Allison" >> <phil_a(a)tpg.com.au> wrote in <88dioeFindU1(a)mid.individual.net>: >> >>> >>>"Jan Panteltje" >>>> Got 10 resistors on tape marked 2M7. >>>> Used one, circuit did not work right. >>>> Took some testing ... before I measured the resistors. >>>> Of the 10 several are 620 k and not 2M7. >>>> Bought from www.voti.nl, so beware. >>>> All are marked with the right color code for 2M7. >>>> >>>> New to me :-) >>> >>> >>>** Though pretty rare, I have come across wrongly marked resistors in a >>>piece of commercial equipment !! >>> >>>Dozens of resistors colour coded as 3.3kohms were in fact 4.7 kohms. >>> >>>The correct value WAS 4.7 kohms - so the equipment maker knew about the >>>wrong coding !! >>> >>> >>>.... Phil >> >> Yes I can understand that. >> But 2M7 -> 620k is not even in that E series (560k 680k 820 k). >> >> > >what a bunch of squabbling kids..... Drop dead.
From: krw on 23 Jun 2010 19:05
On Wed, 23 Jun 2010 10:27:30 GMT, Jan Panteltje <pNaonStpealmtje(a)yahoo.com> wrote: >On a sunny day (Tue, 22 Jun 2010 18:43:30 -0700) it happened DrParnassus ><DrParnassus(a)hereforlongtime.org> wrote in ><9ep226t4osrqe89ifik2cburat2okc2aqd(a)4ax.com>: > >> And no, there is absolutely no way to guarantee the accuracy of the >>reading ever, under any circumstance at that end of the range, past >>1Mohm. even finger oils on the part that you DID just touch, makes a >>difference. And yeas, I know that you are too stupid to have thought >>about that aspect. > >John Larkin posted photo and diagram of a device to do just that here a few days ago? >Why do you not stop arguing and get a basic electronics education? >Building some circuits could help too. Wow! You're funny today! |