Inyo Force Balance Vertical Seismometer
see Photos below
Parts Ready for Assembly
Assembled Instrument
 Pressure Case
 Installation on Seismic Pad

Shackleford-Gundersen (SG) Horizontal Seismometer

Front View

Rear View

Displacement Sensor Close-up

Seismometer With Insulation Wrap


Seismometer with Cover Installed

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Inyo Force Balance Broadband Vertical (FBV) Seismometer

 Inyo FBV Seismometer
parts ready for assembly



 The major components of the Inyo Force Balance Broadband Vertical seismometer,
 minus the main suspension spring, the trim balance weights, and the electrical wiring among the
components, have been assembled in a "dry fit" assembly to make sure everything lines up correctly.



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 Hermetically-Sealed Pressure Case (Front View)
for Inyo FBV Seismometer

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Hermetically-Sealed Pressure Case (Front View)
for Inyo FBV Seismometer

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 Inyo FBV Seismometer installed with Pressure Case
on New Concrete Seismic Pad, Top View

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Inyo FBV Seismometer installed with Pressure Case
on New Concrete Seismic Pad, Front View

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Inyo FBV Seismometer installed with Pressure Case
on New Concrete Seismic Pad, Front View

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 Inyo FBV inside new Thermal Cover, front view, housing instrument and pressure case
on concrete seismic pad, with SG horizontal sensor on left

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