Guralp Systems CMG-3ESPCD - Manual (Page 2)

CMG-3ESPCD Digital Broadband Seismometer Contents
Table of Contents
1 Preliminary Notes............................................................................................................. 5
1.1 Proprietary Notice......................................................................................................5
1.2 Warnings, Cautions and Notes..................................................................................5
1.3 Manuals and Software...............................................................................................5
1.4 Conventions................................................................................................................5
2 Introduction....................................................................................................................... 6
2.1 Sensor response..........................................................................................................7
3 Installing the 3ESPCD.......................................................................................................8
3.1 First encounters..........................................................................................................8
3.1.1 Unpacking...........................................................................................................8
3.1.2 Serial number......................................................................................................8
3.1.3 Handling notes....................................................................................................8
3.1.4 Connections........................................................................................................ 9
3.1.5 FireWire...............................................................................................................9
3.1.6 Power supply.....................................................................................................10
3.2 Installation notes......................................................................................................10
3.3 Installing in vaults...................................................................................................11
3.4 Installing in pits.......................................................................................................14
3.5 Other installation methods......................................................................................16
3.6 Rapid installation.....................................................................................................18
3.6.1 Deployment.......................................................................................................18
3.6.2 Recovery............................................................................................................ 21
3.7 Installing in post-holes.............................................................................................22
3.8 Using the 3ESPCD....................................................................................................23
3.8.1 Retrieving data..................................................................................................23
3.8.2 Reading digitiser disks......................................................................................24
4 Calibrating the 3ESPCD..................................................................................................28
4.1 The calibration pack................................................................................................28
4.1.1 Poles and zeroes................................................................................................28
4.1.2 Frequency response curves...............................................................................29
4.1.3 Obtaining copies of the calibration pack.........................................................32
4.2 Calibration methods.................................................................................................32
4.3 Calibration with Scream!.........................................................................................33
4.3.1 Sensor response codes .....................................................................................37
4.4 The coil constant......................................................................................................37
5 Using Scream!................................................................................................................. 39
MAN-C3E-0002 Issue B - November 2013