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marc.pirello@LIGO.ORG - posted 13:20, Tuesday 21 February 2023 - last comment - 16:00, Tuesday 21 February 2023(67519)
OMC IO Chassis Cooling Fan Change

J. Kissel, M. Pirello

Per WP10997 I worked with Jeff K. in measuring the ADC noise floor spectrum with various fan configurations on the OMC IO Chassis in the CER.  We settled on one fan blowing over the installed components as being the best option.

Comments related to this report
jeffrey.kissel@LIGO.ORG - 16:00, Tuesday 21 February 2023 (67535)CDS, DAQ, DetChar, ISC
Link 

For a first look at the noise change after this configuration was made permanent (for now) after 2023-02-21 21:08 UTC, see LHO:67530.

Further demonstration of the goodness of this change beyond LHO:67530 is still being processed, so stay tuned.
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