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这个加热丝的材料没有改哦
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" E6 S2 ^' d( k* H+ G$ C! F" o NiCr (80/20) heater wire, having a normal composition of 80 % nickel and 20 %' t: p6 C& p" U6 y3 F; U. t
chromium, having a diameter of 0,5 mm+ 0,020mm and a minimum length of 250 mm.This heater wire is coiled around the centre portion of the test specimen by applying five turns.+ p$ h, x+ D' m0 J4 s% @
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NOTE NiCr (80/20) heater wire has a nominal cold resistance of approximately 5,25 Ω/m. |
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