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这个加热丝的材料没有改哦
! t a l% z/ M0 m
6 u; L; [; u1 l6.2 Ignition source' ?! a- V1 {% f8 u/ C' @: S
NiCr (80/20) heater wire, having a normal composition of 80 % nickel and 20 %
/ [) c+ A" W' ?& w$ T" Bchromium, 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.; x1 e; X6 z, p% P( i
0 k) h0 m/ U) N* I+ N% TNOTE NiCr (80/20) heater wire has a nominal cold resistance of approximately 5,25 Ω/m. |
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