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Entry  Mon Jul 11 14:56:45 2016, Alena, Facility, Daily Progress, Vacuum chamber tests 20160711.png
    Reply  Mon Jul 11 17:04:06 2016, Alena, Facility, Daily Progress, Vacuum chamber tests 
Message ID: 38     Entry time: Mon Jul 11 17:04:06 2016     In reply to: 36
Author: Alena 
Type: Facility 
Category: Daily Progress 
Subject: Vacuum chamber tests 

At 5pm the pressure was 6.5e-6 torr.

Checked again at:

  • 9am, pressure was 2e-6 torr
  • 11:30am, pressure was 1.5e-6 torr
  • 5pm, pressure was 1.4e-6 torr
Quote:

Installed a gate valve between the roughing and tubbo pump. See below a pump down curve. The convection gauge is not calibrated. the turbo started at 14th min (at about 3 torr)

 

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