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Wed Oct 20 11:16:21 2021, Anchal, Summary, PEM, Particle counter setup near BS Chamber
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Thu Oct 21 11:41:31 2021, Anchal, Summary, PEM, Particle counter setup near BS Chamber
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Thu Oct 21 15:22:35 2021, rana, Summary, PEM, Particle counter setup near BS Chamber
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Thu Oct 21 15:24:35 2021, rana, Summary, PEM, Particle counter setup near BS Chamber
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Fri Oct 22 17:35:08 2021, Ian MacMillan, Summary, PEM, Particle counter setup near BS Chamber
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Fri Apr 1 14:26:19 2022, Ian MacMillan, Summary, PEM, Particle counter setup near BS Chamber
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Sat Apr 2 15:46:13 2022, rana, Summary, PEM, Particle counter setup near BS Chamber
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Message ID: 16422
Entry time: Thu Oct 21 15:24:35 2021
In reply to: 16416
Reply to this: 16423
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Author: |
rana |
Type: |
Summary |
Category: |
PEM |
Subject: |
Particle counter setup near BS Chamber |
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rethinking what I said on Wednesday - its not a good idea to put the particle counter on a vac chamber with optics inside. The rumble from the air pump shows up in the acoustic noise of the interferometer. Let's look for a way to mount it near the BS chamber, but attached to something other than vacuum chambers and optical tables.
Quote: |
I have placed a GT321 particle counter on top of the MC1/MC3 chamber next to the BS chamber.
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