aLIGO LHO Logbook

H1 SEI (SEI)

corey.gray@LIGO.ORG - posted 02:54, Tuesday 04 July 2017 - last comment - 09:42, Wednesday 05 July 2017(37310)

Monthly SEI Seismometer Mass Check (FAMIS#6088)

T240 Centering Check:

Averaging Mass Centering channels for 10 [sec] ...
2017-07-04 02:46:11.358502
There are 8 T240 proof masses out of range ( > 0.3 [V] )!
ETMX T240 2 DOF X/U = -1.166 [V]
ETMX T240 2 DOF Y/V = -1.116 [V]
ETMX T240 2 DOF Z/W = -0.848 [V]
ETMY T240 3 DOF X/U = -0.305 [V]
ITMX T240 1 DOF X/U = -0.774 [V]
ITMX T240 3 DOF X/U = -0.802 [V]
ITMY T240 3 DOF X/U = -0.305 [V]
ITMY T240 3 DOF Z/W = -0.386 [V]

All other proof masses are within range ( < 0.3 [V] ):
ETMX T240 1 DOF X/U = -0.08 [V]
ETMX T240 1 DOF Y/V = -0.055 [V]
ETMX T240 1 DOF Z/W = -0.034 [V]
ETMX T240 3 DOF X/U = -0.073 [V]
ETMX T240 3 DOF Y/V = -0.179 [V]
ETMX T240 3 DOF Z/W = -0.079 [V]
ETMY T240 1 DOF X/U = -0.071 [V]
ETMY T240 1 DOF Y/V = 0.239 [V]
ETMY T240 1 DOF Z/W = -0.279 [V]
ETMY T240 2 DOF X/U = 0.113 [V]
ETMY T240 2 DOF Y/V = -0.27 [V]
ETMY T240 2 DOF Z/W = -0.004 [V]
ETMY T240 3 DOF Y/V = -0.089 [V]
ETMY T240 3 DOF Z/W = 0.224 [V]
ITMX T240 1 DOF Y/V = -0.234 [V]
ITMX T240 1 DOF Z/W = -0.156 [V]
ITMX T240 2 DOF X/U = -0.186 [V]
ITMX T240 2 DOF Y/V = -0.142 [V]
ITMX T240 2 DOF Z/W = -0.199 [V]
ITMX T240 3 DOF Y/V = -0.146 [V]
ITMX T240 3 DOF Z/W = -0.096 [V]
ITMY T240 1 DOF X/U = -0.039 [V]
ITMY T240 1 DOF Y/V = -0.057 [V]
ITMY T240 1 DOF Z/W = -0.065 [V]
ITMY T240 2 DOF X/U = 0.114 [V]
ITMY T240 2 DOF Y/V = 0.135 [V]
ITMY T240 2 DOF Z/W = -0.005 [V]
ITMY T240 3 DOF Y/V = 0.041 [V]
BS T240 1 DOF X/U = -0.166 [V]
BS T240 1 DOF Y/V = -0.039 [V]
BS T240 1 DOF Z/W = 0.204 [V]
BS T240 2 DOF X/U = 0.062 [V]
BS T240 2 DOF Y/V = 0.179 [V]
BS T240 2 DOF Z/W = 0.008 [V]
BS T240 3 DOF X/U = 0.011 [V]
BS T240 3 DOF Y/V = -0.067 [V]
BS T240 3 DOF Z/W = -0.127 [V]
Assessment complete.

STS Centering Check:

Averaging Mass Centering channels for 10 [sec] ...

2017-07-04 02:52:11.355942
All STSs proof masses are within healthy range (< 2.0 [V]). Great!

Here's a list of how they're doing just in case you care:
STS A DOF X/U = -0.618 [V]
STS A DOF Y/V = 0.146 [V]
STS A DOF Z/W = -0.377 [V]
STS B DOF X/U = 0.479 [V]
STS B DOF Y/V = 0.3 [V]
STS B DOF Z/W = -0.312 [V]
STS C DOF X/U = -0.616 [V]
STS C DOF Y/V = -0.67 [V]
STS C DOF Z/W = -0.153 [V]
STS EX DOF X/U = -0.029 [V]
STS EX DOF Y/V = 0.612 [V]
STS EX DOF Z/W = -0.036 [V]
STS EY DOF X/U = -0.014 [V]
STS EY DOF Y/V = 0.147 [V]
STS EY DOF Z/W = 0.458 [V]
Assessment complete.

This closes FAMIS #6088.

Comments related to this report

jim.warner@LIGO.ORG - 09:42, Wednesday 05 July 2017 (37329)

Link

I took the opportunity while the IFO was down for PSL stuff to recent ITMX and ETMX. Will wait for the others to get worse before addressing them.

Averaging Mass Centering channels for 10 [sec] ...
2017-07-05 09:39:18.356265

There are 3 T240 proof masses out of range ( > 0.3 [V] )!
ETMY T240 3 DOF X/U = -0.309 [V]
ITMY T240 3 DOF X/U = -0.307 [V]
ITMY T240 3 DOF Z/W = -0.39 [V]

All other proof masses are within range ( < 0.3 [V] ):
ETMX T240 1 DOF X/U = 0.118 [V]
ETMX T240 1 DOF Y/V = 0.121 [V]
ETMX T240 1 DOF Z/W = 0.106 [V]
ETMX T240 2 DOF X/U = 0.07 [V]
ETMX T240 2 DOF Y/V = 0.062 [V]
ETMX T240 2 DOF Z/W = 0.095 [V]
ETMX T240 3 DOF X/U = 0.058 [V]
ETMX T240 3 DOF Y/V = 0.022 [V]
ETMX T240 3 DOF Z/W = 0.134 [V]
ETMY T240 1 DOF X/U = -0.078 [V]
ETMY T240 1 DOF Y/V = 0.243 [V]
ETMY T240 1 DOF Z/W = -0.283 [V]
ETMY T240 2 DOF X/U = 0.114 [V]
ETMY T240 2 DOF Y/V = -0.272 [V]
ETMY T240 2 DOF Z/W = -0.008 [V]
ETMY T240 3 DOF Y/V = -0.096 [V]
ETMY T240 3 DOF Z/W = 0.224 [V]
ITMX T240 1 DOF X/U = 0.074 [V]
ITMX T240 1 DOF Y/V = 0.196 [V]
ITMX T240 1 DOF Z/W = 0.188 [V]
ITMX T240 2 DOF X/U = 0.136 [V]
ITMX T240 2 DOF Y/V = 0.211 [V]
ITMX T240 2 DOF Z/W = 0.245 [V]
ITMX T240 3 DOF X/U = 0.193 [V]
ITMX T240 3 DOF Y/V = 0.163 [V]
ITMX T240 3 DOF Z/W = 0.166 [V]
ITMY T240 1 DOF X/U = -0.038 [V]
ITMY T240 1 DOF Y/V = -0.055 [V]
ITMY T240 1 DOF Z/W = -0.065 [V]
ITMY T240 2 DOF X/U = 0.115 [V]
ITMY T240 2 DOF Y/V = 0.135 [V]
ITMY T240 2 DOF Z/W = -0.004 [V]
ITMY T240 3 DOF Y/V = 0.043 [V]
BS T240 1 DOF X/U = -0.166 [V]
BS T240 1 DOF Y/V = -0.039 [V]
BS T240 1 DOF Z/W = 0.206 [V]
BS T240 2 DOF X/U = 0.062 [V]
BS T240 2 DOF Y/V = 0.181 [V]
BS T240 2 DOF Z/W = 0.008 [V]
BS T240 3 DOF X/U = 0.013 [V]
BS T240 3 DOF Y/V = -0.066 [V]
BS T240 3 DOF Z/W = -0.128 [V]