| High-Sensitivity Camera | Type | OVS-SKH-506A (Nippon Kaiyo Co. Ltd.) |
| Television camera tube | 3-tube Harpicon type | |
| Luminous intensity at image surface | 0.02 Lux | |
| Resolution | => 700TV line at horizontal Center | |
| S/N ratio | 56dB (Typical) | |
| 3-CCD Camera | Type | OVS-152 (Nippon Kaiyo Co. Ltd.) |
| Television camera tube | RGB 3CCD | |
| Sensitivity | 2,000 Lux / F:8.0 | |
| Resolution | => 800TV line at horizontal center | |
| S/N ratio | 63dB (Typical) | |
| Underwater Light (6 units) | 100V/250W | |
| Ocean Bottom Seismometer | Type | Triaxial servo velocimeter (Tokyo Sokushin Co. Ltd., VSE-11,12) |
| Frequency range | 0.01 - 100Hz (+1dB, -3dB) 0.025 - 70Hz (+/- 3%) |
|
| Sensitivity | Low range 100 kine/ full scale High range 1 kine/ full scale |
|
| Attitude control | Gimbal-type, motor-coltrolled Scope of Control: - 15 degree ~ +15 degree |
|
| Tunami meter (Precise pressure gauge) |
Type | 8B2000-I (Paroscientific, Inc.) |
| Range | 0 – 20.68 MPa | |
| Accuracy | <= 0.01 %FS (rms) | |
| Repeatability | <= +/-0.01 %FS (rms) | |
| Histerisis: | <= +/-0.01 %FS (rms) | |
| Resolution | <= 1ppmFS (at 1 sample per second) | |
| ADCP (Accoustic Doppler Current Profiler) |
Type | BB-DR-150(Teledyne RD Instruments,Inc.) |
| Center frequency | 150kHz | |
| Measurement range | 280m | |
| Depth cell size | 1 – 16 m | |
| Number of depth cells | 4 – 128 layers | |
| Beam angle | 20 degree | |
| Beam width | 1.5 degree | |
| Velocity range | +/- 10m/sec | |
| Long-term accuracy | 0.2cm/s or 0.2% in measurement range | |
| CTD sensor (Conductivity, Temperature and Depth sensor) |
Type | SBE9plus (Sea-Bird Electronics,Inc.) |
| Scan rate | 24 / second | |
| --Water Temperature-- | ||
| Measurement range | -5 to +35 degree C | |
| Accuracy | 0.001 degree C | |
| Resolution | 0.0002 degree C | |
| Time response: | 0.065 second | |
| --Conductivity-- | ||
| Measurement range | 0 to 7 S/m | |
| Accuracy | 0.003 S/m | |
| Resolution | 0.00004 S/m | |
| Time response | 0.065 second | |
| --Water Pressure-- | ||
| Measurement range | 0 to +2,000 psi | |
| Accuracy | 0.015% FS | |
| Resolution: | 0.001% FS | |
| Time response | 0.015 second | |
| Hydrophone | Type | ITC-1010A (ITC Transducer Corp.) |
| Frequency range | 4Hz – 4kHz | |
| Nominal capacity | 0.002 F | |
| Directivity | Omnidirectional | |
| Gamma-ray sensor | Scintillator | Nal(TI) 3 inch-sphere-type (12E6) |
| Photomultiplier tube | R1847-07 Hamamatsu Photonics K. K. | |