Developed Equipment

  • Developed Equipment
  • Ocean Bottom Node

Ocean Bottom Node

Item Two-Component
OBN System 2018
Four-Component
OBN System 2021
Four-Component
OBN System 2024
Geophone Vertical
10 ~ 200Hz
3C Orthogonal
10 ~ 200Hz
3C Orthogonal, Omni-Directional
15 ~ 190Hz
Hydrophone Circular Plate Type
Piezoelectric Ceramic
1 ~ 10,000Hz
Circular Plate Type
Piezoelectric Ceramic
1 ~ 10,000Hz
Sphere Type
Piezoelectric Ceramic
1 ~ 60,000Hz
ADC Resolution 24bits 24bits 24bits
Sample Interval 1ms 1ms 1, 2, 4ms
Memory SD Card 2GB SD Card 32GB SD Card 128GB / SSD
Clock OCXO OCXO CSAC / OCXO
Operation Time 10days 12days 30 ~ 60days
Maximum
Operation Depth
1,000m 1,000m 1,000m
(Can be deeper if required)
Housing Shape Flat Cylindrical Shape Flat Cylindrical Shape Flat Cube Shape
Dimension 13.8cm(Ф) x 7.0cm(H) 18.0cm(Ф) x 7.2cm(H) 40cm(L) x 40cm(W) x 15cm(H)
Weight 1.6kg in Air
(Excluding Frame)
2.1kg in Air
(Excluding Frame)
15kg in Air
(Frame-Integrated)
Additional Sensor n/a n/a MEMS Accelerometer, Magnetometer, Thermometer