2.9 Installation Checklist for the Trillium Compact Posthole
seismometer
Use the following checklist to help you verify that you have completed all of the necessary
steps in the installation of your Trillium Compact Posthole.
Check that the cable connector has sufficient grease.
Installation hole is prepared according to best practices.
Trillium Compact Posthole is mass centered.
Trillium Compact Posthole is aligned to east-west or north-south.
Trillium Compact Posthole serial number and IP address is noted.
If alignment was accomplished using the surface seismometer method, ensure that
Orientation Correction values have been entered on the Centaur.
Cable is connected to the Trillium Compact Posthole and the digitizer.
Cable is clamped at the wellhead.
System is correctly grounded according to guidelines in grounding section.
Chapter 2 - Installing a Trillium Compact Posthole Seismometer
16889R10 • 2020-11-12 Page 29
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