2introduction – Guralp Systems CMG-5TD User Manual
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Introduction
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Introduction
The CMG-5TD consists of a fully-integrated triaxial accelerometer (CMG-5T)
and a matched 24-bit digitizer (DM-24) contained in a single, watertight
package. It is compact, lightweight, and simple to deploy. It can resolve the
full range of acceleration due to microearthquakes (0.1 uG resolution) up to
strong local earthquakes (4 g resolution).
It is provided with a combination baseplate/mounting plate, which is
separable and re-attachable, allowing for quick installation/removal and
sensor site re-occupation if necessary. The DC offsets are available at the
analogue output connector of the CMG-5TD and are user-accessible and
adjustable via adjusting screws on the top cap of the instrument. A GPS
receiver is used to provide accurate time-stamps for seismic data. The GPS
receiver is attached to the CMG-5TD via a supplied 20 metre cable.
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Issue D - April 2013