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26-03-2010, 15:30
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#2
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Ancient friend
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Last edited by M3kk; 26-03-2010 at 15:32.
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26-03-2010, 15:33
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#3
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Ancient friend
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26-03-2010, 15:39
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#4
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Senior Member
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Ok multumesc mult . Se poate sterge threadul.
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26-03-2010, 15:42
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#5
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Oenolog
Join Date: Jul 2009
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Mai e util si pentru altii .
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26-03-2010, 16:18
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#7
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Ancient friend
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Sunt K-Type, deci da, sunt compatibilie.
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26-03-2010, 16:23
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#8
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Oenolog
Join Date: Jul 2009
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Sondele K sunt teoretic standardizate, deci ar trebui sa fie compatibile cu orice aparat. Faptul ca scrie acolo ca plaja de temperatura e limitata intre -40 si 250 imi da de gandit, poate e o sonda de calitate slaba, standardul spune ca o sonda K functioneaza OK intre -200 si +1350C.
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31-03-2010, 11:59
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#9
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Senior Member
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Sondele astazi au fost puse la posta de catre firma din Craiova si astept sa vina cat mai repede si termometrul
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19-06-2010, 12:02
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#10
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Ancient friend
Join Date: Aug 2009
Location: timisoara
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am cautat prin magazine si nu gasesc multimetru care sa mearge sub -50 grade. Ce inseamna acele -50 grade? acuratete 100 si, ce e sub e cu o marja de eroare mai mare sau, pur si simplu 50 and that's it? sau, mai simplu: unde gasesc ceva care sa poata masura temp. sub -100?
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19-06-2010, 12:33
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#11
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Administrator
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Cele care masoara sub 100 si sunt precise sunt cam scumpe
Cele mai ieftine ar fi Voltcraft...
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19-06-2010, 12:41
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#12
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Ancient friend
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banuiesc ca asa ceva nu e rau strict pt masurarea temperaturii: http://germanelectronics.ro/conrad.p...d4T1pXMWpPUT09
problema ar mai fi o sonda decenta deoarece toate au limitarea de -50 deasemenea pe can micutzu spune ce toate ar trebui sa functioneze pana la -200
Last edited by darco_2; 19-06-2010 at 13:14.
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19-06-2010, 14:29
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#13
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Administrator
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Exemplu concret - un aparat care este garantat la -50 oC poate avea o abatere de ~ 10 oC la -100. Un aparat care este garantat la -200 poate avea o abatere cuprinsa intre 0.004 oC si 1 oC la -200, in functie de cat de bun/scump este aparatul.
Ceva similar se intampla si in cazul sondelor. Pana acum am vazut sonde care nu coboara sub -167 oC, sonde care nu coboara sub -180 oC si sonde care bagate in azot ajung la -196. Evident, dintre astea cele mai precise sunt ultimele.
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19-06-2010, 15:30
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#14
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Ancient friend
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asadar, sondele garantate la -50 vor masura cat de cat precis la o temperatura mai mica de acel 50?
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19-06-2010, 22:59
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#15
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Administrator
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Da... cu o abatere mai mica sau mai mare
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19-06-2010, 23:36
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#16
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VIP
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Quote:
sondele garantate la -50 vor masura cat de cat precis la o temperatura mai mica de acel 50?
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... la o temperatura mai mare de -50C.
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