FLOUNDER System
Mobile seismic system for marine surveys and monitoring on the shelf and in transition zones.
The system based on 4C Ocean Bottom Nodes which are controlled by the system’s lab containers.
Designed for offshore seismic exploration and regional studies.
FLOUNDER Composition
Ocean Bottom Nodes
Features:
Operation in any orientation at the seabed
Built-in nodes self-diagnostic system, including testing of registration channels
Autonomous operation during 50 days
Collapsible design, based on sensor unit and battery unit
Battery recharging time is 12 hours
Preparing the node for repeated work - no more than 10 minutes (changing the battery unit)
Physical characteristics:
Dimensions 505 х 300 х 145 mm
Weight in air 26 kg
Technical Specifications:
Recorder | 4 channels Orthogonal oriented Geophones: BH-20MT OMNI / GS-ONE OMNI Hydrophone |
ADC | 24 bit, delta-sigma with sample interval 0.25, 0.5, 1, 2, 4 ms |
Gain | 0, 6, 12, 18, 24, 30, 36 dB |
Max input signal | 1,8 V (rms) |
Equivalent input noise (2ms, 0dB) | < 3 mV |
Dynamic Range | 125 dB |
CMRR | > 90 dB |
Amplitude non-identity | < 0,5% |
Crossfeed | > 100 dB (geophone channels) / > 90 dB (hydrophone channel) |
Lab container
Charging batteries of the Ocean Bottom Nodes
Controlling the Ocean Bottom Nodes
Downloading recorded data from the Ocean Bottom Nodes
Up to 288 Ocean Bottom Nodes
Can be powered by different supply source (220V, 380V, 440V)
CORAL System Features
Can be operated onshore
or at depth up to 500 meters
Repreparation time
is 24 hours max.
Operating temperature
from -10° to +50° C
Contacts
Marine Technical Center Limited Liability Company
+7 812 339-94-84
info@mtcgeo.com
Dvinskaja st., 14A, space 1-n, office 70,
St. Petersburg, Russia, 198035