Guralp-systems CMG-1T Manuel d'utilisateur télécharger pdf (Page 33)

Operator’s Guide CMG-1T Ocean Bottom

Seismometer

September, 1999, Issue C Section 9,

Page 3

Many methods can be used to restrain the movement of the levelling system

within the glass bowl. The preferred method used by us is given in the

following photographs.

A set of attachment points are glued to the inside of the glass sphere from which

semi-flexible linkages are used to attach the bottom of the levelling platform to

the glass sphere. Six separate holes are provided for such linkages.

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Guralp-systems CMG-1T Manuel d'utilisateur Page 33