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Message ID: 1474     Entry time: Tuesday, April 04, 2017, 10:23
Author: David Wang 
Category: Conditioning Station 
Type: Standard Operation 
Module: TM4 
Target/Number:  
Subject: Helium pressure leak check on TM4 Ta(-) water lines  

This morning, The helium pressure leak check on TM4 Ta(-) is done after TM4 finished conditioning yesterday.  LD base LR:8.0XE-9 atm.cc/sec, base pressure: 0.0XE-4 torr. Applied 70 psi helium to TM4 TA(-) water line. The LR slowly climbed to 2.2XE-7 atm.cc/sec, and stopped there. Waited for 5 minutes and change at 2.2 X E-7 atm.cc/sec.

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