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NiCr (80/20) heater wire, having a normal composition of 80 % nickel and 20 %3 J" ]: B$ x; Q$ o2 `/ \
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.
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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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