betsy.weaver@LIGO.ORG - posted 08:41, Wednesday 16 July 2014 (12776)
HAM5 particle counts yesterday afternoon
In the afternoon yesterday, we hopped into HAM5 to look for beams.
Particle counts outside of the chamber in the cleanroom while the C3 cover was still on:
0.3um 10
Rest, 0
Counts inside chamber:
0.3um 160
0.5um 70
1.0um 50