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| 40m Log |
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 Wed Apr 21 19:28:03 2021, Anchal, Update, PSL, PSL/IFO recovery
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 Wed Apr 21 19:43:20 2021, Koji, Update, PSL, New HEPA speed control 
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Thu Apr 22 14:41:55 2021, Chub, Update, PSL, New HEPA speed control
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Fri Apr 23 18:00:02 2021, gautam, Update, PSL, HEPA speed lowered
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Fri Apr 23 19:26:58 2021, Koji, Update, PSL, HEPA speed lowered
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Fri May 14 17:45:05 2021, rana, Update, PSL, HEPA speed raised
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Tue May 18 00:52:38 2021, rana, Update, PSL, HEPA speed raised
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Tue May 18 20:26:11 2021, rana, Update, PSL, HEPA speed raised
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Thu Apr 22 15:15:26 2021, gautam, Update, PSL, PMC transmission
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Thu Apr 22 15:34:54 2021, Anchal, Update, PSL, PMC transmission
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Message ID: 16069
Entry time: Wed Apr 21 19:43:20 2021
In reply to: 16068
Reply to this: 16074
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| Author: |
Koji |
| Type: |
Update |
| Category: |
PSL |
| Subject: |
New HEPA speed control |
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The new HEPA speed controllers are attached at the middle of the HEPA unit (not at the edge of the unit)... (Attachment 1)
You still need a step./stool to touch the knob and need a ladder for a more precise setting.
We still don't know the optimal speed of the nominal IFO operation. For now, the HEPAs are running at the max speed (Attachment 2).
Once we know the optimal setting, we mark the knobs so that we can see them only with the step. |
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