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SBE-9plus Underwater Unit

SBE-9plus Underwater Unit
The standard SBE 9plus underwater unit has an aluminum housing rated to 6800 meters (22,300 ft), and is supplied with one conductivity and one temperature sensor (fitted with a TC Duct and constant-flow pump), and an internally mounted, temperature-compensated Paroscientific Digiquartz pressure sensor for 6800 meter (10,000 psia) full scale range.

SBE-9plus Underwater Unit

Sea-Bird Electronics

The standard SBE 9plus underwater unit has an aluminum housing rated to 6800 meters (22,300 ft), and is supplied with one conductivity and one temperature sensor (fitted with a TC Duct and constant-flow pump), and an internally mounted, temperature-compensated Paroscientific Digiquartz pressure sensor for 6800 meter (10,000 psia) full scale range. Input channels and bulkhead connectors are provided for an optional second (redundant) pair of temperature and conductivity sensors. Other standard features include an 8-channel, 12-bit A/D converter with differential inputs and low pass filters, and high-power capability for support of commonly used auxiliary sensors (e.g., SBE 43 dissolved oxygen, SBE 18 or SBE 27 pH, transmissometer, fluorometer, ambient light, altimeter), a modem channel for real-time water sampler control, and a port for connection of an optional bottom contact switch.

Documents

Brochure
Brochure SBE-911plus - Download

Manual
SBE-9plus User Manual - Download

Application Note
AN 02D: Instructions for Care and Cleaning of Conductivity Cells (03/14) - Download
AN 06: Determination of Sound Velocity from CTD Data - Download
AN 10: Compressibility Comp of SBE Conductivity Sensors (05/13) - Download
AN 12-1: Pressure Port Oil Refill Procedure & Nylon Capillary Fitting Replacement - Download
AN 14: 1978 Practical Salinity Scale - Download
AN 15: TC Duct Assembly & Plumbing Installation (10/12) - Download
AN 34: Instructions for use of Conductivity Cell - Download
AN 36a: Installation of P/N 50094 Conductivity Cell Tubing Connector Kit - Download
AN 38: Fundamentals of the TC Duct and Pump-Controlled Flow Used on Sea-Bird CTDs - Download
AN 42: ITS-90 Temperature Scale - Download
AN 64-1: Plumbing Installation -- SBE 43 DO Sensor and Pump on a CTD - Download
AN 69: Conversion of Pressure to Depth - Download
AN 71: Desiccant Use and Regeneration (drying) - Download
AN 75: Maintenance of SBE 5T, 5P, and 5M Pumps - Download
AN 90: Absolute Salinity and TEOS-10: Sea-Bird's Implementation - Download

User Guide
Guide to CTDs - Download

Technical Papers
The acquisition, calibration, and data analysis of CTD data - Download


References

Technical Papers
ISPRA: Metodologie Analitiche di Riferimento - Download



Correlated

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SBE 11plus V2 Deck Unit includes RS-232 and IEEE-488 computer interfaces, a modem channel for real-time water sampler control (including water sampler control push buttons and status lights), NMEA 0183 interface for adding GPS position to CTD data, 12-bit A/D input channel for surface PAR sensor, switch-selectable 115/230 VAC operation, audio tape interface (data backup), LED readout for raw data, and audible bottom contact (or altimeter) alarm.
SBE-32 Carousel Water Sampler
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SBE-3plus
The superior performance of the SBE 3plus results from its superior calibration, response characterization, and quality testing program.
SBE-4 Conductivity Sensor
SBE 4 series conductivity sensors are modular, self-contained instruments that measure conductivity from 0 to 7 S/m.
SBE-5T Titanium Pump
The pump module is a compact unit consisting of a centrifugal pump head and a long-life, brushless, DC, ball-bearing motor. The pump impeller and electric drive motor are coupled magnetically through the housing, providing high reliability by eliminating moving seals.