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Message ID: 2176     Entry time: Wednesday, January 06, 2021, 10:39
Author: David Wang 
Category: ITE 
Type: Standard Operation 
Module: TM4 
Target/Number:  
Subject: ITE and TM4 annual leak check. 

Frank and I finished ITE and TM4 primary and secondary  vacuum vessel  leak check.　ＬＤ　ｂｅａｓｅ　ｌｅａｋ　ｒａｔｅ　０.０ｘ－９ａｔｍ．ｃｃ／ｓｅｃ．　Ｎｏ　ｌｅａｋ　ｈａｓ　ｂｅｅｎ　ｆｏｕｎｄ．Ａｌｓｏ，　Ａｌｌ　ＴＭ４　ｗａｔｅｒ　ｌｉｎｅｓ　　ｈａｖｅ　ｂｅｅｎ　ｐｒｅｓｓｕｒｉｚｅｄ　ｗｉｔｈ　７０ｐｓｉ　ｈｅｌｉｕｍ　ｆｒｏ　３　ｍｉｎｕｔｅｓ　ｏｎ　ｅａｃｈ　ｃｉｒｃｕｉｔ．　Ａｌｌ　ｗａｔｅｒ　ｌｉｎｅｓ　ｉｎ　ＴＭ４　ａｒｅ　ｇｏｏｄ．　Ｎｏ　ｒｅｓｏｐｎｅ　ｏｎ　ＬＤ　ｄｕｒｉｎｇ　ｔｅｓｔ．　

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