Guralp Systems CMG-DM24 - Manual (Page 7)

Operator’s Guide DM-24 Digitiser
Issue G January 2003 5
1. INTRODUCTION
The Guralp CMG-DM24 24-bit digitiser can be supplied in many different formats. The
main internal features are common to them all, but they can be interfaced in different
forms depending upon customer requirements. The two main types are the module,
which is fixed to, and becomes a physical part of a Guralp seismometer; and the stand-
alone digitiser, both pictured below. A 12 Channel version, the CMG-DM 24S12
Digitiser is introduced in the last section of this document.
The CMG-DM24 digitiser module can be supplied with, or to retro-fit to any of the
Güralp Broadband Seismometers (CMG-1T, CMG-3T, CMG-3ESP, CMG-40T or
CMG-5T). The clean, isolated and stable sensor environment is ideal for the precision
low-noise requirements of a wide range digitiser. Once converted to digital form the