Instrumentation
CTD and auxiliary sensors
The CTD used on JC029 consisted of a 24-way stainless steel frame with the following instruments attached.
| Instrument | Serial Number | Calibration date | Comments |
|---|---|---|---|
| SBE 9 plus Underwater unit | 09P-24680-0636 | - | - |
| SBE 3P Temperature sensor | 03P-4151 | 2008-09-03 | Primary sensor. |
| SBE 4C Conductivity sensor | 04C-2571 | 2008-08-26 | Primary sensor. |
| Digiquartz pressure sensor | 83008 | 2008-09-10 | - |
| SBE 3P Temperature sensor | 03P-2919 | 2008-09-03 | Secondary sensor, fin mounted. |
| SBE 4C Conductivity sensor | 04C-2450 | 2008-08-26 | Secondary sensor, fin mounted. |
| SBE 5T Submersible pump | 05T-4166 | 2008-08-26 | Primary sensor. |
| SBE 5T Submersible pump | 05T-2793 | 2008-08-26 | Secondary senor, fin mounted. |
| SBE 43 Oxygen | 43-0363 | 2008-09-09 | - |
| Chelsea MKIII Aquatracka Fluorometer | 088108 | 2008-01-09 | - |
| Benthos PSA-916T Altimeter | 1040 | - | - |
| Chelsea MKII Alphatracka 25 cm path Transmissometer | 161045 | 2005-09-08 | - |
| Wetlabs BBRTD backscatter | 115R | 2008-05-13 | - |
| Teledyne RDI 300 kHz Workhorse Monitor lowered ADCP | 9192 | - | Downward-looking master configuration, failed on beam 3 during CTD025. |
| Teledyne RDI 300 kHz Workhorse Monitor lowered ADCP | 5415 | - | Upward-looking slave configuration, failed on beam 2 during CTD010. |
| Teledyne RDI 300 kHz Workhorse Monitor lowered ADCP | 9191 | - | Upward-looking slave configuration from casts CTD012 to CTD014. Used as downward-looking master from cast CTD026 onwards. |
| Teledyne RDI Broadband 150kHz lowered ADCP | 1503 | - | Downward-looking slave configuration, removed from casts CTD016 to CTD040. |
A complete spare CTD suite including instruments was available for use but was not required.
