CMG-3TD

The CMG-3TD combines the sensor technology of the CMG-3T with a full-featured CMG-DM24 in a single casing, designed for vault installations.

Features

Covers the complete seismic spectrum with a single transfer function
Response from 1 – 360 s to 50 – 200 Hz (120 s – 50 Hz standard)
Truly portable with lifting handle and convenient access to connectors
Over 140 dB dynamic range over the entire passband (USGS figure)
Sensor properties identical to the CMG-3T
Mass locking, unlocking and centring by remote terminal command or through Scream!
All other features of a 3-channel CMG-DM24

Options

DM24 modules may be retrofitted onto CMG-3T instruments for a cost-effective digital solution
Direct data download over FireWire
On-board status display

Downloading over FireWire

CMG-3 news

Complete CMG-3T vault installation

Best practices for installing a weak-motion sensor in a vault, and how to connect the instrument to a CMG-DM24 digitizer and (optionally) a CMG-DCM.

New borehole instruments for the South Pole

December 2006

A new-generation CMG-3TB instrument with adaptations for cold conditions is headed for the South Pole as part of a major upgrade to the world's quietest seismic station.

A stable foundation for cutting-edge physics

August 2006

An active vibration isolating platform based on an instrument from Güralp Systems is helping to provide new insights into atomic physics.