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Selection Guide -- Products at a Glance

Shown below are comparisons of features for Sea-Bird's profiling CTDs, water samplers, moored instruments, inductive modem instruments, shipboard salinographs, and other products, to assist you in selecting the appropriate instrument for your application. Clicking an instrument name will take you to the brochure/specification sheet for that instrument.

Profiling CTDs (Conductivity, Temperature, and Pressure)

SBE	Sampling Rate	A/D Channels for Auxiliary Sensors	Memory	Power		Real-Time Data	Comments
SBE	Sampling Rate	A/D Channels for Auxiliary Sensors	Memory	Internal	External	Real-Time Data	Comments
911plus (9plus CTD & 11plus Deck Unit)	24 Hz	8	16 Mb with optional SBE 17plus V2	With optional SBE 17plus V2	Yes	Yes	World's most accurate, high resolution CTD, premium sensors, multi-parameter support, water sampler control
25	8 Hz	7	8 Mb	Yes	Yes	Yes -- may require SBE 36 Deck Unit & PDIM	High resolution logging CTD with multi-parameter support, water sampler control with SBE 33 Deck Unit
19plus	4 Hz	4	8 Mb	Yes	Yes	Yes -- may require SBE 36 Deck Unit & PDIM	Personal CTD, small, self-contained, adequate resolution, water sampler control with SBE 33 Deck Unit
49	16 Hz	No	No	No	Yes	Yes -- may require SBE 36 Deck Unit & PDIM	Intended for towed vehicle, ROV, AUV, or other autonomous profiling applications. Water sampler control with SBE 33 Deck Unit.
52-MP	1 Hz	No, but 1 frequency channel for dissolved oxygen sensor	28,000 samples	No	Yes	Yes	Intended for moored profiling applications on device that is winched up and down from a buoy or bottom-mounted platform
41 / 41CP	OEM CTD for sub-surface oceanographic float that surfaces at regular intervals and transmits its new drift position and in situ measurements to the ARGOS satellite system. CTD module obtains latest profile of temperature and salinity for transmission on each ascent. Contact Sea-Bird for details.

Water Samplers (SBE 32 Carousel and SBE 55 ECO) and CTD Configurations

Water Sampler	Number of Bottles	Bottle Size (liters)	CTD	Control		Deployment Depth
				Real-Time Configuration	Self-Contained Configuration (auto bottle firing)
SBE 32 (full size)	12	1.7 - 30	SBE 9plus	SBE 11plus V2 Deck Unit	SBE 17plus V2	6800 m (aluminum), 7000 m (titanium), or 10,500 m (titanium)
	24	1.7 - 12
	36	Consult factory
	12	1.7 - 30	SBE 19, 19plus, or 25	SBE 33 Deck Unit (can also be used with SBE 49 CTD)	Auto Fire Module
	24	1.7 - 12
	36	Consult factory
SBE 32C (compact)	12	1.7 - 8	SBE 9plus	SBE 11plus V2 Deck Unit	SBE 17plus V2	6800 m (aluminum), 7000 m (titanium), or 10,500 m (titanium)
			SBE 19, 19plus, or 25	SBE 33 Deck Unit (can also be used with SBE 49 CTD)	Auto Fire Module (can also be used with SBE 50 Pressure Sensor)
SBE 32SC (sub-compact)	12	1.7 or 2.5	SBE 19, 19plus, or 25	SBE 33 Deck Unit (can also be used with SBE 49 CTD)	Auto Fire Module (can also be used with SBE 50 Pressure Sensor)	6800 m (aluminum), 7000 m (titanium), or 10,500 m (titanium)
SBE 55	3 or 6	4	SBE 19, 19plus, or 25	SBE 33 Deck Unit (can also be used with SBE 49 CTD)	Built-in auto bottle firing, no additional equipment required	600 m

Notes:
1. Operation of all SBE 32 Carousel Water Sampler models with the SBE 33 Deck Unit requires an optional sea cable / serial data interface in the Carousel.
2. See Application Note 45: Guide to SBE 32 Carousel Water Sampler Configuration Options for information on selecting the appropriate Carousel options for your application.

Moored / Time Series Recording Instruments

SBE	Measures (C, T, P)	Auxiliary Sensors	Memory	Power		Communication	Real-Time Data	Comments
SBE	Measures (C, T, P)	Auxiliary Sensors	Memory	Internal	External	Communication	Real-Time Data	Comments
16plus	C, T, P*	4 A/D; optional RS-232 or PAR	8 Mb	Yes	Yes	RS-232 or -485	Yes	Optional pump
16plus-IM	C, T, P*	4 A/D; optional RS-232 or PAR	8 Mb	Yes	No	Inductive Modem	Yes	Optional pump
37-SM	C, T, P*	No	2 Mb	Yes	Optional	RS-232 or -485	Yes	--
37-SMP	C, T, P*	No	2 Mb	Yes	Optional	RS-232 or -485	Yes	Includes integral pump
37-IM	C, T, P*	No	2 Mb	Yes	No	Inductive modem	Yes
37-IMP	C, T, P*	No	2 Mb	Yes	No	Inductive modem	Yes	Includes integral pump
37-SI	C, T, P*	No	No	No	Yes	RS-232 or -485	Yes
37-SIP	C, T, P*	No	No	No	Yes	RS-232 or -485	Yes	Includes integral pump
39	T, P*	No	4 Mb	Yes	Optional	RS-232	Optional	--
39-IM	T, P*	No	4 Mb	Yes	No	Inductive modem	Yes	--
26plus	T, P	C optional	32 Mb	Yes	Yes	RS-232	Yes -- tides, waves, & wave statistics	Wave & tide recorder
53	T, P	C optional	32 Mb	Yes	Yes	RS-232	Yes	Bottom pressure recorder
54	T, P	No	128 Mb	Optional	Yes	RS-232	Yes -- every 15 seconds	Tsunami pressure sensor

C = conductivity, T = temperature, P = pressure
* = optional

Inductive Modem Instruments

SBE	Measures (C, T, P)	Auxiliary Sensors	Memory	Power		Comments
SBE	Measures (C, T, P)	Auxiliary Sensors	Memory	Internal	External	Comments
16plus-IM	C, T, P*	4 A/D; optional RS-232 or PAR	8 Mb	Yes	No	Optional pump
37-IM	C, T, P*	No	2 Mb	Yes	No
37-IMP	C, T, P*	No	2 Mb	Yes	No	Includes integral pump
39-IM	T, P*	No	4 Mb	Yes	No
44	--	1 RS-232	30 Kb FIFO buffer	Yes	Yes	Integrates current meter, Doppler profiler, or other instrument with standard serial interface to inductive modem telemetry system

C = conductivity, T = temperature, P = pressure
* = optional
Notes:
See Inductive Modem Module or Surface Inductive Modem (SIM), and Inductive Cable Coupler (ICC) to complete your inductive modem system.
See Typical Inductive Modem Mooring Components for an overview of an inductive modem system, and Real-Time Oceanography with Inductive Moorings for background information.

Shipboard Salinographs (Conductivity & Temperature)

SBE	Measures	Auxiliary Voltage Sensors	Remote Temperature Sensor Input	NMEA Data Input	Memory	Power		Communication	Real-Time Data
SBE	Measures	Auxiliary Voltage Sensors	Remote Temperature Sensor Input	NMEA Data Input	Memory	Internal	External	Communication	Real-Time Data
21	T, C	4	Yes	Yes	8 Mb	No	Yes	RS-232	Yes
45	T, C	No	Yes*	Yes*	No	No	Yes	RS-232	Yes

C = conductivity, T = temperature
* With optional PN 90402 SBE 45 Power, Navigation, and Remote Temperature Interface Box

Other Products

Sea-Bird manufactures many other products, including:

CTDs for ALACE floats (OEM only)
Data loggers and counters (SBE 17plus and SBE 31)
CTD surface power and telemetry systems (SBE 11plus, SBE 33, SBE 36 / PDIM, SBE 46, and Interface Boxes)
Modular sensor and components (conductivity, temperature, pressure, dissolved oxygen, pH, and ORP sensors; and pumps -- SBE 3, 4, 5, 7, 8, 14, 18, 27, 29, 35, 35RT, 37-SI, 37-SIP, 38, 43, 46, 50, 52-MP, and Interface Boxes)