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| 40m Log |
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 Wed Nov 7 11:43:29 2012, Steve, Update, PEM, high particle count ALART 
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 Wed Nov 7 14:59:35 2012, Steve, Update, PEM, high particle count ALART & oplevs
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Tue Feb 5 10:18:54 2013, Steve, Update, PEM, high particle count ALART
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Thu Jun 27 15:58:27 2013, Steve, Update, PEM, PSL enclosure particle counts
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Message ID: 8001
Entry time: Tue Feb 5 10:18:54 2013
In reply to: 7681
Reply to this: 8765
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| Author: |
Steve |
| Type: |
Update |
| Category: |
PEM |
| Subject: |
high particle count ALART |
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| Quote: |
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| Quote: |
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The BS camber is open only. We should close ASAP
Outside air quality is 1.7- 2.2 million particles / cf min of 0.5 micron
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Air is still bad and the chambers are closed. Before lunch Jamie repointed the PRM oplev. Manasa and I reset oplevs: BS and ITMX.
ETMX and ETMY are fine.
SRM and ITMY oplevs needs more work.
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The bad outside air quality is pushing up the inside counts.
The outside air is 5 million counts / cf min for 0.3 micron and 2 million counts / cf min for 0.5 micron particles
Do not open chamber over 10,000 counts / cf min of 0.5 micron |
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