Tuesday September 25, 2018

08:53 – set up cart, Nitrogen purge and hardware for MFC to US mini connection.

08:58 – MFC’s zero’d and data logging started.

09:23 – Hose connection from MFC to US Mini RAV completed.

09:25 – Scroll pump started, pump set to 250 sccm, vent MFC opened.

10:02 – AMV closed, Turbo started, MFC’s closed.

10:04 – RGA turned on,

13:20 – 1st calibrated leak test at 3:16:04 for 1 minute.

13:23 – Pressure at 6.7 e-8.

13:24 - Sprayed helium for 30 seconds on hose and mini RAV at 3:20:00 on the RGA.

13:41 – 2nd calibrated leak test at 3:37:14 on the RGA for 30 seconds.

13:44 – RGA turned off and file saved.

13:47 – Data logging restarted

13:49 – Turbo turned off

14:16 – Pressure in hose set to 780 Torr, opened US mini RAV, pressure went to 797 Torr.

14:20 – Data logging restarted.

14:22 – Started pumping down string through US mini RAV at 250 sccm

26 September 2018 – Wednesday

06:06 – Pressure at 4.35 Torr

06:26 – Slightly opened the turbo inlet gate valve.

08:00 – AMV closed, Turbo turned on, both MFC’s closed.

8:45 – RGA started.

11:13 – Pressure at 1.4 e-7

11:15 – Opened calibrated leak (2:30:19 on RGA) ran for 2 min.

11:24 – sprayed helium for 5 min into down stream end. Pressure at 1.3 e-7.

11:30 – Sprayed helium for 5 min into up stream end.

11:36 – Spay complete (2:50:44 on RGA)

13:25 – 2nd calibrated leak test done at 4:40:18 for 1 minute

13:32 – Closing US GV (both sides under vacuum).

13:36 – restarted data logging

13:37 – AMV open, Turbo inlet gate valve closed, turbo off.

14:12 – 796 Torr reached. Stopped logging data.