Table T1. Specifications for Expedition 301 CORK pressure sensor and logging instrumentation.
| Hole | 1026B | U1301A | U1301B |
|---|---|---|---|
| Logger channels | 2 | 3 | 4 |
| Bytes/sample | 20 | 28 | 36 |
| Sample rate (s) | 15 | 60 | 60 |
| Memory capacity (MB) | 256 | 256 | 256 |
| Bytes/y (MB) | 42 | 14.7 | 18.9 |
| Estimated download time (min) at 115.2 kbps | 62 | 22 | 28 |
| Power dissipation (mW): |
|
|
|
| SCF | 23 | 23 | 23 |
| RTC + PPC sleep | 0.38 | 0.38 | 0.38 |
| Sampling at 1.5 s | 88 | 130 | 172 |
| Average RTC + PPC | 9.2 | 3.7 | 4.7 |
| Average total | 32.2 | 26.7 | 27.7 |
| Lifetime (y) | 15.8 | 19.1 | 18.4 |
Notes: SCF = serial to compact flash. RTC = real-time clock. PPC = pressure period counter.
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