aLIGO LHO Logbook

H1 SEI

jeffrey.bartlett@LIGO.ORG - posted 13:39, Monday 15 July 2019 - last comment - 14:17, Monday 15 July 2019(50548)

HEPI Fliud and Pump Checks

   Checked the HEPI fluid levels this morning. All are working, no new leaks appeared, and fluid levels were good.

   CS Fluid level was 6 7/16 (1/8 drop)
   EX Fluid level was 8 9/16 (1/16 gain)
   EY Fluid level was 9      (no change)

Comments related to this report

hugh.radkins@LIGO.ORG - 14:17, Monday 15 July 2019 (50549)

Link

Checking over the historic levels on the white board for the CS indicate that this system varies about ±1/4". The trip level for the CS is set to about 6 1/16" so we are safe from a fluid level trip.