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## page was renamed from LCGT/PEM

Physical Environmental Monitoring Systm

Reference

PEM sensors list

GW IFO

Name

Laser

Center

IX

IY

EX

EY

TX

TY

control room

mine

outside

Total

Thermo. L

1+1(table)

3+6(table)

1

1

1

1

1

1

1

Thermo. H

Hygrometer

1

1

1

1

1

1

1

Barometer

1

1

1

1

1

1

1

Accel. L

1

1

Accel. H

Accel. 3D

1

1

1

1

1

1

Particle

1

1

1

1

1

1

Seismometer

Microphone

1+1(table)

3+ 6(table)

1

1

1

1

1

Tilt meter

1

1

1

1

1

Magnetic field (3axes)

1

1

1

1

1

Name

Quantity

Low temperature monitor for suspensions

96(3ADCs) x 4sus=384

Geo IFO

Name

Laser

Center

IX

IY

EX

EY

TX

TY

control room

mine

outside

Total

Thermo. L

2

1

1

1

1

Thermo. H

4

1

1

5

5

Hygrometer

4

1

1

5

5

Barometer

4

1

1

Accel. L

2

1

1

1

1

Accel. H

Accel. 3D

4

Particle

2

Seismometer

1

1

Microphone

Tilt meter

Magnetic field (3axes)

  • IX:Room for ITMX, EX:Room for ETMX, TX:Tunnel of X arm, the same as Y

  • Thermo. L : Low resolution (~0.1K) thermometer (e.g. IC sensors monitoring instrument temp.)
  • Thermo. H : High resolution (~0.001K) thermometer (e.g. monitoring room / tunnel temp.)
  • Accel. L : Acceleration pick up (e.g. vibration monitor)
  • Accel. H : 1-dim. accelerometer (e.g. acceleration to be used for quantitative analyses)
  • Accel. 3D : 3-dim. accelerometer for 3-dim. analyses.
  • 温度計の測定精度から16ビット以上を希望
  • 温度計測定法から各入力チャンネルはコモン共通のシングルエンド入力では駄目で、チャンネル間が独立した絶縁入力が必要

KAGRA/Subsystems/PEM (last edited 2012-06-06 18:31:03 by OsamuMiyakawa)