Thermosalinograph - SBE21 1741

Summary

Type	TSG
Vendor	Sea-Bird Scientific (Sea-Bird Electronics)
Model	Sea-Bird SBE 21 Thermosalinograph
S/N	21-1741
ID Prefix	tsg
CORIOLIX ID	sbe_21_001741
Class	Flowthrough
Location	Wet Lab
Condition	excellent
Configuration	default
Native Sample Rate	0.167 Hz
UDP Port(s)	17009 16000
Enabled	True

General Description

Flowthrough measurement of sea surface temperature (degrees C) and conductivity (S/m), additional salinity (PSU) and sound velocity (NA, in flowthrough) data is derived and displayed in real-time. Full S/N=2110690-1741

Data Collection Specs

Native Data Feed

Signal Type

Digital

Communication Type

RS-232

Serial Details

Baud Rate	4800
Parity	N
Stop Bits	1
Byte Size	8
Timeout (s)	None
Polled Serial Commands

Ethernet Details

MAC Address
IP Address
Protocol

Source File Details

Path
Filename

Native Data Format

Native Data Description

Native Data Type

Start of Message Characters

End of Message Characters

Sample Data Message

5.21291 25.4358 33.9740 25.2984 0.20269 1534.02 0.103785 0.8241 0.0887 0.2564 391.2051282

Message Parser Format

['^(?P<conductivity>\d+\.\d+)\s+(?P<temperature>\-?\d+\.\d+)\s+(?P<salinity>\d+\.\d+)\s+(?P<sst>\-?\d+\.\d+)\s+(?P<fluorescence_1_volts>\d+\.\d+)\s+(?P<sound_velocity>\d+\.\d+)\s+(?P<fluorescence_2_volts>\-?\d+\.\d+)\s+(?P<fluorescence_1>\-?\d+\.\d+)\s+(?P<fluorescence_2>\-?\d+\.\d+)\s+(?P<spar_volts>\-?\d+\.\d+)\s+(?P<spar>\-?\d+\.\d+)$']

Data Processing

Data Processing Script

NoTransformation

Data Rates

Native Sample Rate

0.167 Hz

Shipboard Network Packet Rate

1.0 Hz

Ship to Shore Rate

1.0 Hz

Data Storage & Access

Raw Data Ethernet Distribution

IP Address
Port	17009
Packet Size	None

Transformed Data Ethernet Distribution

IP Address	192.167.0.255
Port	16000

Archive to Database

True

Transmit Real-time Data to Shore

True

Time Source

Source

Parameters

Quantity	Conductivity (S/m)	Salinity ( )	Sound Velocity (m/s)	Temp (degrees_C)	Temp (degrees_C)
Plot Color
Parameter Full Name	Thermosalinograph Conductivity	Thermosalinograph Salinity	Thermosalinograph Sound Velocity	Temperature - instrument	Thermosalinograph Temperature
Parameter Short Name	Conductivity	Salinity	Sound Velocity	Temp	Temp
Parameter Standard Name	XXXXXXXX	XXXXXXXX	XXXXXXXX	XXXXXXXX	XXXXXXXX
SAMOS Data Category	Water Conductivity	Water Salinity	Sound Velocity	Water Temperature	Water Temperature
Description	Located at the Main Manifold, this thermosalinograph measures flowthrough sea surface conductivity ranging from 0-7 S/m.	Located at the Main Manifold, data is derived to produce flowthrough sea surface salinity in PSU.		Located at the Main Manifold, this thermosalinograph measures flowthrough sea surface temperature ranging from -5 to 35 degrees Celsius.
Processing Status	raw	internally derived	raw	raw	raw
Processing Symbol	conductivity	salinity	sound_velocity	temperature	sst
Diagnostic	False	False	False	False	False
IOOS Category	Other	Salinity	Physical Oceanography	Temperature	Temperature
Units	S/m		m/s	degrees_C	degrees_C
Data Type	double	double	double	double	double
Gross Minimum Value	None S/m	None	None m/s	None degrees_C	None degrees_C
Gross Maximum Value	None S/m	None	None m/s	None degrees_C	None degrees_C
Recommended Minimum Value	None S/m	None	None m/s	None degrees_C	None degrees_C
Recommended Maximum Value	None S/m	None	None m/s	None degrees_C	None degrees_C
Global Minimum Value	0.0 S/m	0.5	1449.0 m/s	-5.0 degrees_C	-5.0 degrees_C
Global Maximum Value	7.0 S/m	50.0	1563.0 m/s	35.0 degrees_C	35.0 degrees_C
Local Minimum Value	None S/m	None	None m/s	None degrees_C	None degrees_C
Local Maximum Value	None S/m	None	None m/s	None degrees_C	None degrees_C
Lower Detection Limit	None S/m	0.0002	None m/s	0.0001 degrees_C	None degrees_C
Saturated Value	None S/m	51.0	None m/s	35.1 degrees_C	None degrees_C
Bad Data Value	None S/m	51.0	None m/s	35.1 degrees_C	None degrees_C
Resolution	0.00001 S/m	None	None m/s	0.0001 degrees_C	None degrees_C
Accuracy	+/- 0.003 S/m	+/- None	+/- None m/s	+/- 0.002 degrees_C	+/- None degrees_C
Precision	None S/m	None	None m/s	None degrees_C	None degrees_C
Binning Type	linear	linear	linear	linear	linear
Online Display Format	1.0f	7.4f	7.2f	4.2f	6.2f
Logging Modes

Physical Sensor Specs

Operating Limits
Input Power	8.0 - 30.0 V DC
Ideal Power	None V DC
Operating Current	None - None mA @ None V DC
Analog Output	None - None
Operating Flow Rate	10.0 - 30.0 ml s-1
Ideal Flow Rate	20.0 ml s-1
Operating Depth	None - None m
Operating Temperature	None - None degree_C
Lamp Life	None days
Response Time	None seconds
Additional Time Offset	0.0 seconds
Physical Status
Current Location	installed
Current Status	in use
Physical Condition	excellent
Physical Configuration	default
Software Version
Software Configuration
Data Acquisition Device ID
Data Acquisition Device Serial Port
Data Acquisition Device Analog Port
Data Acquisition Device Modbus Unit	None
Sensor Use Level
Enabled	True
Vessel Installation Location
Vessel	Endeavor
Vessel Location	Wet Lab
Location Coordinates (meters)
Sensor Orientation
Height Above Waterline (meters)	None
Zero Line Reference (degrees from bow)	None
Receives Filtered Water	False

Maintenance & Support

Sensor Log

Date (UTC)	Submitter	Event Type	Details
Sep 23 2024 16:14:52	Nahorniak, Jasmine	parameter change	Parameter Fluorescence deleted.
Sep 11 2024 17:08:41	Nahorniak, Jasmine	sensor specs update	retransmit_port changed from [16001] to [16000]
Jul 27 2024 22:18:54	Clarke, Bonny	renamed sensor	Changed sensor ID from sbe_21_211741 to sbe_21_001741.
Jul 26 2024 14:21:45	Clarke, Bonny	renamed sensor	Changed sensor ID from tsg001741 to sbe_21_211741.
Jul 18 2024 00:57:41	Clarke, Bonny	sensor specs update	enabled changed from [False] to [True]
Jul 18 2024 00:57:41	Clarke, Bonny	sensor specs update	current_status changed from [not in use] to [in use]
Jul 18 2024 00:57:41	Clarke, Bonny	sensor specs update	current_location changed from [on vessel] to [installed]
Jul 09 2024 20:09:31	Clarke, Bonny	sensor specs update	enabled changed from [True] to [False]
Jun 11 2024 00:30:18	Nahorniak, Jasmine	sensor specs update	transmit_port changed from [16008] to [17009]
Jun 08 2024 14:51:43	Clarke, Bonny	sensor specs update	enabled changed from [False] to [True]
Jun 08 2024 14:21:27	Clarke, Bonny	sensor specs update	enabled changed from [True] to [False]
Apr 02 2024 22:22:44	Butler, Lynne	sensor specs update	sensor_name changed from [Thermosalinograph - SBE21] to [Thermosalinograph - SBE21 1741]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	last_cal_date changed from [None] to [2022-04-15 00:00:00+00:00]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	cal_recommended_freq_months changed from [None] to [24]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	retransmit_port changed from [16000] to [16001]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	transmit_port changed from [17009] to [16008]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	condition changed from [unknown] to [excellent]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	current_status changed from [in use] to [not in use]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	current_location changed from [installed] to [on vessel]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	acquire_condition changed from [] to [excellent]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	sample_rate_hz changed from [1.0] to [0.167]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	description changed from [Flowthrough measurem ... played in real-time.] to [Flowthrough measurem ... ull S/N=2110690-1741]
Mar 13 2024 18:31:19	Butler, Lynne	sensor specs update	serial_number changed from [1741] to [21-1741]
Aug 01 2023 22:58:11	Nahorniak, Jasmine	sensor specs update	time_source changed from [vessel_time_server] to []
Aug 01 2023 22:58:11	Nahorniak, Jasmine	sensor specs update	sensor_prefix changed from [] to [tsg]
May 23 2023 18:42:22	Clarke, Bonny	new sensor	Initial submission of sensor metadata.

Calibration & Maintenance

Frequency	Last Completed	Next Due
Maintenance A:

Maintenance B:

Maintenance C:

Calibration
24 months	Apr 15 2022	Apr 15 2024
Recommended Replacement

Warranty

Calibration Files

Date	Version	Author	Type	Document	Access

User Guides & Documents

Date	Version	Author	Type	Document
Jun 01 2015	June 2015	SBE	datasheet	SBE 21 SeaCAT Datasheet
		SBE	sensor_image	SBE 21 SeaCAT Photo
Feb 09 2015	028	SBE	user_manual	SBE 21 SeaCAT User Manual

Ownership

Quantity	Value
Owner	URI
Responsible Party	URI Marine Technicians
Purchase Date
Acquire Date
Acquire Condition	excellent
End/Lost Ownership Date

Vendor Support

Support Type	Details
Company	Sea-Bird Scientific (Sea-Bird Electronics)
Website	http://www.seabird.com
Phone	+1 425 643 9866
Email	techsupport@seabird.com
Shipping	Sea-Bird Scientific, 13431 NE 20th Street, Bellevue, Washington 98005, USA

Copyright Notice: All sensor-specific images and documentation on this page are copyright of the vendor.