2015-09-12

The comparison between new and old standard for glow wire tester（2）

In the IEC60695 -2 -10:2013 edition, the biggest change is the thermocouple and glow wire loop , referred to the wire diameter of thermocouple by 1mm instead of 0.5mm , which would make corresponding change to size of glow wire loop mounted in glow wire tester  as mentioned in our last article .

According to the old standard ,glow wire loop (also called U type ) is content of nickel chromium 80/20, now the new standard demands more than 77/20, besides , there are also some changes in size.

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