CMG-3T
The Guralp Systems CMG-3 range of compact three-component broadband seismometers are suitable for surface vault, subsurface vault, posthole and borehole installations. The instruments are thoroughly proven and have been in continuous production since 1987. The CMG-3T is widely used on many National Seismic Networks, with over 3000 triaxial instruments deployed worldwide. The instruments can be supplied with built in digitisers, acquisition modules and a range of storage and communications options.
Manufacturer
Guralp Systems
Guralp Systems Limited
Midas House
Calleva Park
Aldermaston
Reading
RG7 8EA
United Kingdom
+44 (0) 118 981 9056
+44 (0) 118 981 9943
Technical specifications
| Depth rating | - |
| Max. pressure | - |
| Housing material | Stainless steel case |
| Power supply | 10 – 36 V DC or 5 V DC supply (optional) |
| Power consumption | 62 mA |
| Weight | - |
| Size | 168Øx344 mm |
| Frequency scale | 360 sec to 50 Hz (120 sec – 50 Hz standard) |
| Damping (open circuit) | - |
| Sensivity (open circuit) | 2 × 750 V/ms-1 (1500 V/ms-1) or in the range 2 × 500 V/ms-1 to 2 × 10,000 V/ms-1 (optional) |
| High | >107 dB horizontal, 111 dB vertical |
| Max. possible tilt | 5° |