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Intermediate Period

Intermediate Sensors

PASSCAL Intermediate-Period Sensors: Guralp CMG3-ESP Guralp CMG40T Nanometrics Trillium40 Features:

The low-period corner is 30 seconds for the 3 Guralps and is 40 seconds for the Nanometrics sensor. All are 3-component feedback sensors. The CMG40T and Trillium40 masses do not lock. One should still ship and handle them with care so as not to damage them. The CMG3-ESP has masses that require manual locking and unlocking.  For information on the CMG40T with corner-frequencies of 1-sec, click here.

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