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Time

Description

10:07 am

Gate valve closed

10:09 am

Turbo pump stopped

12:50 pm

Chamber pressure over last hour looks fairly linear (by eye), with a rate of +0.0027 Torr per hour.

1:40 pm

Gate valve power outlet on PDU turned back on. Gate valve remained closed as expected.

3:02 pm

Will updated the dispatcher for VCH_LOVAC and VCH_HIVAC

3:30 pm

Pressures on either side of gate basically equal. Turned turbo pump on to force lower pressure on pump side of gate valve.

3:32 pm

Opened gate valve

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