Nanometrics Trillium Compact - Page 38

Figure 3-1 - Example of seismometer alignment using vertically scribed marks
Figure 3-2 shows the case-top north-south guide with a dashed line indicating where a
straight-edge, staked line, or laser level line would fall.
Figure 3-2 - Example of seismometer alignment using the case-top guide
Chapter 3 - Installing a Trillium Compact Vault Seismometer
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