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这个加热丝的材料没有改哦1 R6 G% c z3 g n6 q4 ]% J
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NiCr (80/20) heater wire, having a normal composition of 80 % nickel and 20 %
2 F+ Y9 Y5 J( o+ [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.
5 m8 Y! R. t! c% l/ ~# H( q8 O) `* _9 g
NOTE NiCr (80/20) heater wire has a nominal cold resistance of approximately 5,25 Ω/m. |
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