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Cuptor electric 700*C , ce rezistenţă îmi trebuie ?

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Am folosit multi ani un cuptor (nemtesc) cu bare de silita. I-am schimbat de cateva ori barele pentru ca-si micsorau puterea cu timpul. Cuptorul cu silita este greu de pornit. Trebuie urmarit curentul, care scade mult la crestera temperaturii barei. Aveam doua comutatoare cu cate trei pozitii, deci 9 trepte de tensiune pana la temperatura maxima a barelor, 1550 grade. Cuptorul ajungea ultima data la 1000 de grade dupa 3 - 4 ore. Unul mic, cu Kanthal, facut de mine, ajungea singur la 1000 de grade in 20 de minute.

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