|
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.
|
