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Des: This tester is to perform fire-profecting of insulator or sheathing.
Test method is that fix the
specimen to be the position at which the tip of the test flame,but not having
drafts that affect the flame, the burner is to be moved for 15
seconds, and so forth for a
total of five applications, then observe whether flaming of the
specimen ceases of its
own accord within 15 second of the previous application.The 620A type
is able to be preset flame, time interval, test times and
operated automatically.
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