SEACAT Profiler CTD
SBE 19plus V2
Sea-Bird Electronics, Inc.
1808 136th Place NE, Bellevue, Washington 98005 USA
Website: http://www.seabird.com
E-mail: seabird@seabird.com
Telephone: (425) 643-9866
Fax: (425) 643-9954
The SBE 19plus V2 (Version 2) Seacat Profiler CTD measures conductivity, temperature, and pressure (depth) and provides high accuracy
and resolution, reliability, and ease-of-use for a wide range of research, monitoring, and engineering applications. The pump-controlled,
T-C ducted flow configuration minimizes salinity spiking caused by ship heave and allows for slow descent rates without slowing sensor
responses, improving dynamic accuracy and resolving small scale structure in the water column. The V2 is the most versatile successor
in the line of Personal CTDs begun with the original SBE 19 SEACAT in 1987.
Compared to the previous 19plus, the 19plus V2 incorporates an electronics upgrade and additional features. The V2 has two additional
(6 total) auxiliary A/D input channels, FLASH memory is increased from 8 to 64 MB, and one RS-232 data input channel is added. An
optional Digiquartz
®
pressure sensor provides highest-accuracy pressure measurement. Data can be output in XML as well as ASCII and
HEX formats. Firmware upgrades can be downloaded through the communications port by the user, without opening the instrument.
The 19plus V2 samples continuously at up to 4 scans per second (4 Hz) (2 Hz with Digiquartz
®
), is battery-powered and self-recording,
and is commonly used in the field without a computer, recording up to 1000 individual profiles. Data can be uploaded to a PC and
processed later, or can typically be transmitted in real time more than 100 meters to a PC for acquisition and display using SEASOFT
software provided (maximum cable length is dependent on the number of auxiliary sensors, sampling rate, baud rate, and cable properties).
The 19plus V2 can supply power to 7 external sensors and log their outputs with each CTD scan. Nine D-size alkaline batteries provide
up to 60 hours of continuous operation when logging C, T, and P at 4 Hz (operation time is shorter if powering auxiliary sensors).
The 19plus V2 is easily integrated with an SBE 32 Carousel Water Sampler and is ideal for integration with the SBE 55 ECO Water Sampler.
Both real-time and autonomous auto-fire operations are possible with any Sea-Bird CTD / Water Sampler system.
The 19plus V2 can operate in moored mode, recording time series measurements at user-programmable intervals. Moored mode is easily
configured using setup commands and by removing the profiling T-C Duct and installing optional anti-fouling devices. (If profiling is not
needed, the 16plus V2 Seacat Recorder offers greater moored-mode programming flexibility and a pressure sensor is optional.)
Accuracy, convenience, portability, software, and support: compelling reasons why the 19plus V2 is today’s best low-cost CTD.
CONFIGURATION, OPTIONS, AND ACCESSORIES
A standard SBE 19plus V2 is supplied with:
• Plastic housing for depths to 600 meters
• Strain-gauge pressure sensor
• 64 Mbyte FLASH RAM memory
• 9 D-size alkaline batteries
• Glass-reinforced epoxy bulkhead connectors
• SBE 5M miniature pump with plastic housing for depths to 600 m, and T-C Duct
Options and accessories include:
• Titanium housing for depths to 7000 meters
• Wet-pluggable MCBH series connectors
• SBE 5M miniature pump with titanium housing for 7000 meters
• SBE 5P (plastic) or 5T (titanium) in place of SBE 5M for use with dissolved oxygen and/or other
pumped sensors
• Digiquartz
®
pressure sensor
• Stainless steel protection cage
• Auxiliary sensors for Dissolved Oxygen, pH (Profiling mode only), fluorescence, radiance
(PAR), light transmission, and optical backscatter (turbidity)
• Plastic shipping case
• Nickel Metal Hydride (NiMH) batteries and charger
• Moored mode conversion kit with anti-foulant device fittings
• Load-bearing underwater cables for hand-hauled, real-time profiling
• SBE 36 CTD Deck Unit and Power/Data Interface Module (PDIM) for real-time operation on
single-core armored cable up to 10,000 meters
SOFTWARE
The SBE 19plus V2 is supplied with a powerful Windows 2000/XP software package, SEASOFT
©
-Win32, which includes programs for
communication and data retrieval, real-time data acquisition and display, and data processing (filtering, aligning, averaging) and plotting.
Shown with
optional cage,
SBE 5P pump,
& SBE 43
DO sensor
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