Nanometrics TC120-PH1, User Manual

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Chapter 1

Getting Started
Trillium Compact User Guide
16889R5

2014-03-04
4
1.2 Unpacking and Handling a Trillium Compact
The shipping box and packing for Trillium Compact seismometers have been designed and
tested to protect these seismometers against the impact of accidental drops during
hand-carrying and from vibration and shock during shipping. To maintain warranty
protection, Trillium Compact seismometers must always be transported in packaging
approved by Nanometrics. Save the original packaging and reuse it any time you are
transporting a Trillium Compact. If custom packaging is required for a particular
application, please consult Nanometrics (see Contacting Nanometrics on page 81).
After delivering a Trillium Compact to its installation site, you can safely remove it from the
packaging or carrying case and handle it without any special precautions other than
taking care not to drop it or bang it against hard surfaces. Trillium Compact seismometers
do not require any mass lock mechanisms or mass centring. The seismometer is ready to
operate right out of the box and can tolerate normal handling with no degradation in
performance or service life.
1.3 Selecting a Site
There is no substitute for a geological survey when it comes to site selection. A survey
provides knowledge of the structures over which the seismometer will be installed. Where
possible, seismometers should be installed on bedrock and as far away as possible from
sources of cultural noise such as roads, dwellings, and tall structures.
Use the worksheet in Section 1.6 “Site Record” on page 9 to record information about the
structure, cultural environs, and climatic conditions of the site, as well as information about
the type and length of the installation.
1.4 Cables and Accessories
Table 1-1 lists cables and accessories for the Trillium Compact that can be purchased
separately.
Table 1-1 List of cables and accessories
Name Part Number Description
Models TC120-SV1, TC20-SV1 (surface vault), TC120-PH1, and TC20-PH1 (surface vault or posthole)
Trillium Compact
Carrying Case /
Insulating Cover
16862 Dual-purpose enclosure that serves as both a carrying case
when transporting the Trillium Compact and as an insulating
cover.
As a carrying case, this enclosure provides cushioning
protection during transport.
When installed as an insulating cover, this enclosure
thermally insulates the seismometer and protects it from
external air currents.
See
Appendix A , “Carrying Case” for information and
instructions on using this product to transport your Trillium
Compact.
See
Chapter 3 , “Performing a Surface Vault Installation” for
instructions on using this product as an insulating cover in an
installation.