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ELFORUM - Forumul electronistilor

# senzor temperatura KTY11-6

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Salut,

Ma tot chinui de o vreme sa fac un termometru digital cu kty11-6 , documentatia : http://www.ortodoxism.ro/datasheets/infineon/1-kt.pdf , problema la care m-am oprit sunt formulele de calcul , sunt date valorile lui alfa si beta sub forma alfa=7.88 * 10 la -3 * K (??) -1 , beta=1.937*10 la -5 * K(??) la -2 ... ce e K asta ? nu scrie nicaieri nimic de el.Temperatura in grade kelvin nu are cum sa fie ca nu o stiu , doar asta incerc sa determin ...Pate a mai lucrat cineva cu asa ceva ..

O zi buna

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K ala e grad Kelvin, alfa si beta sunt coeficientidelta t in Kelvin este acelasi cu delta t in Celsius (K=273,15+C)la KT11-6 stii ca R=2k la 25 de grade Celsius ..deci poti calcula la orice temperatura ai nevoie :rolleyes:

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K ala e grad Kelvin, alfa si beta sunt coeficientidelta t in Kelvin este acelasi cu delta t in Celsius (K=273,15+C)la KT11-6 stii ca R=2k la 25 de grade Celsius ..deci poti calcula la orice temperatura ai nevoie :rolleyes:

Nu staim ca alfa si beta au ca si unitate de masura gradul kelvin :smt053 pana la urma i-am dat de cap.thx

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nu am zis ca alfa si beta sunt in grade Kevin, am zis ce e K .. :partyman: ti-am explicitat mai jos ce si cum..grafice ai in datasheet :rock:

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eu iti recomand sa folosesti un LM50 ( http://www.national.com/pf/LM/LM50.html ) sau lm75 (sau fratii lor cu buletin de bucuresti , cat75 si cat50 )

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