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VIS (SR2)
fabian.arellano - 16:29 Tuesday 27 September 2022 (22217) Print this report
Comment to Inter-calibration between LVDT, geophone, and IXV seismometer. (20873)

Today I came back to the process of intercalibration of the seismometer on the ground (2nd floor) with the LVDT and the geophones. See entry 20873 for details.

I double-checked the intercalibation between the LVDTs and the geophones by measuring the IP-Y transfer function (see Fig. 1). The results seemed fine. Then I measured the seismometer output (in units of µm/rtHz) SEIS, and the substraction GEO - LVDT as described in entry 20873 (see Fig. 2).

I'll analyze the data and write comments in a future entry.

  • Directory: /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr2/inter_calibration/
  • File for the LVDT and geophone intercalibration assessment: IP_Y_EXC_displacement_cnt_new_geo.xml
  • File for the intercalibration of the seismometer on ground with the LVDT and geophone:  IP_Y_EXC_intercalibration_with_seis.xml
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