Displaying report 1-1 of 1.
Reports until 05:00, Monday 19 June 2017
H1 SEI (SEI)
corey.gray@LIGO.ORG - posted 05:00, Monday 19 June 2017 - last comment - 10:55, Monday 19 June 2017(36984)
Monthly HEPI Pump Pressures & Drives

Most of the trends are flat on these trends. 

H1:HPI-PUMP_EY_CONTROL_VOUT had a step up from 505 to 515 around May 23rd.

This CLOSES FAMIS #4533.

Images attached to this report
Comments related to this report
hugh.radkins@LIGO.ORG - 10:55, Monday 19 June 2017 (36995)
Link

I suspect temperature when ever the pump output changes.  Sure enough, the attached plot shows the VEA temp stepping just as the VOUT (pump speed) steps.  Corey's time span just misses the much larger gyrations seen on the VEA temp and the pump speed.

Images attached to this comment
Displaying report 1-1 of 1.