C-Star

Summary



TypeTransmissometer
VendorSea-Bird Scientific (WET Labs)
ModelWET Labs {Sea-Bird WETLabs} C-Star CST-25-DR transmissometer
S/N2405
ID Prefixtransm
CORIOLIX IDtransm002405
ClassFlowthrough
Location
Condition
Configuration
Native Sample Rate8.0 Hz
UDP Port(s)30319 None
EnabledTrue
 


Image Not Available
 
 

General Description



PR- C-STAR G4 25 cm. Measures beam attenuation.

 
 

Data Collection Specs

Native Data Feed
Signal Type Digital
Communication Type Ethernet
Serial Details
Baud Rate 19200
Parity N
Stop Bits 1
Byte Size 8
Timeout (s) None
Polled Start Commands
Polled Serial Commands
Ethernet Details
MAC Address
IP Address
Protocol
Source File Details
Path
Filename
Native Data Format
Native Data Description
Native Data Type text
Start of Message Characters
End of Message Characters
Sample Data Message $transm002405,CST-2405PR 11531 15780 15783 -0.087 544
Message Parser Format ['^\Wtransm\d{6},CST-(\d+)PR\s+(?P<reference>\d+)\s+(?P<signal>\d+)\s+(?P<corrected>\d+)\s+(?P<transmittance>\-?\d+\.\d+)\s+(?P<thermistor>\d+)$']
Data Processing
Data Processing Script CStar
Data Rates
Native Sample Rate 8.0 Hz
Shipboard Network Packet Rate 1.0 Hz
Ship to Shore Rate 1.0 Hz
Data Storage & Access
Raw Data Ethernet Distribution
IP Address 192.168.0.255
Port 30319
Packet Size None
Transformed Data Ethernet Distribution
IP Address
Port None
Archive to Database True
Transmit Real-time Data to Shore True
Time Source
Source
 

Parameters


Quantity c650 (1/m) Transmittance (%) Transmittance (counts)
Plot Color
 
 
 
Parameter Full Name Beam attenuation Beam Transmittance Beam Transmittance
Parameter Short Name c650 Transmittance Transmittance
Parameter Standard Name ATTNMS01 POPTBR01 NCNTATT1
SAMOS Data Category
Description Flowthrough measurement of beam attenuation or beam c (1/m) at an excitation of 650nm. Flowthrough measurement of beam transmittance (%) at an excitation of 650nm. Flowthrough measurement of the C-Star transmissometer at an excitation of 650nm in the native format of Counts.
Processing Status post processed post processed raw
Processing Symbol beamc transmittance signal
Diagnostic False False False
IOOS Category Other Other Other
Units 1/m % counts
Data Type double double double
Gross Minimum Value None 1/m None % None counts
Gross Maximum Value None 1/m None % None counts
Recommended Minimum Value None 1/m None % None counts
Recommended Maximum Value None 1/m None % None counts
Global Minimum Value 0.0 1/m None % 0.0 counts
Global Maximum Value 34.0 1/m None % 16380.0 counts
Local Minimum Value None 1/m None % None counts
Local Maximum Value None 1/m None % None counts
Lower Detection Limit None 1/m None % None counts
Saturated Value None 1/m None % None counts
Bad Data Value None 1/m None % None counts
Resolution None 1/m None % None counts
Accuracy +/- 0.003 1/m +/- None % +/- None counts
Precision None 1/m None % None counts
Binning Type linear linear
Online Display Format 4.1f 3.0f 4.1f
Logging Modes
 

Physical Sensor Specs

Operating Limits
Input Power None - None V AC
Ideal Power None V AC
Operating Current None - None mA @ None V AC
Analog Output None - None
Operating Flow Rate None - None ml s-1
Ideal Flow Rate None 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 None seconds
Physical Status
Current Location installed
Current Status in use
Physical Condition
Physical Configuration
Software Version
Software Configuration
Data Acquisition Device ID
Data Acquisition Device Serial Port
Data Acquisition Device Analog/Digital Port(s)
Data Acquisition Device Modbus Unit None
Sensor Use Level primary
Enabled True
Vessel Installation Location
Vessel sav
Vessel Location
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        
Mar 12 2025 17:15:37     King, Tristan     sensor specs update     enabled changed from [False] to [True]    
Mar 06 2025 18:35:42     King, Tristan     sensor specs update     current_location changed from [] to [installed]    
Mar 06 2025 18:06:51     King, Tristan     sensor specs update     current_status changed from [] to [in use]    
Mar 05 2025 23:11:59     King, Tristan     sensor specs update     model changed from [WETLabs C-Star transmissometer] to [WET Labs {Sea-Bird W ... 5-DR transmissometer]    
Mar 03 2025 23:19:00     King, Tristan     sensor specs update     enabled changed from [True] to [False]    
Feb 27 2025 21:02:54     King, Tristan     sensor specs update     processing_script changed from [NoTransformation] to [CStar]    
Feb 27 2025 20:54:07     King, Tristan     sensor specs update     enabled changed from [False] to [True]    
Feb 27 2025 20:52:52     King, Tristan     sensor specs update     logging_modes changed from [] to [file/db]    
Feb 27 2025 20:52:52     King, Tristan     sensor specs update     transmit_rate_hz changed from [None] to [1.0]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     packet_rate_hz changed from [None] to [1.0]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     processing_script changed from [CStar] to [NoTransformation]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     text_regex_format changed from [] to [['^\Wtransm\d{6},CST ... P<thermistor>\d+)$']]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     sample_data_message changed from [] to [$transm002405,CST-24 ... 780 15783 -0.087 544]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     native_type changed from [] to [text]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     sample_rate_hz changed from [None] to [8.0]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     serial_bytesize changed from [] to [8]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     serial_stop_bits changed from [] to [1]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     serial_parity changed from [] to [N]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     serial_baud_rate changed from [] to [19200]    
Feb 27 2025 20:52:51     King, Tristan     sensor specs update     comm_type changed from [] to [Ethernet]    
Feb 27 2025 20:52:50     King, Tristan     sensor specs update     signal_type changed from [] to [Digital]    
Feb 27 2025 16:51:04     King, Tristan     sensor specs update     transmit_port changed from [30307] to [30319]    
Nov 08 2024 22:24:25     Romsos, Chris     sensor specs update     enabled changed from [True] to [False]    
Nov 07 2024 19:14:24     Romsos, Chris     sensor specs update     enabled changed from [True] to [False]    
Nov 06 2024 23:48:21     Romsos, Chris     sensor specs update     transmit_port changed from [None] to [30307]    
Nov 06 2024 23:48:21     Romsos, Chris     sensor specs update     transmit_ip changed from [] to [192.168.0.255]    
Nov 06 2024 23:48:21     Romsos, Chris     sensor specs update     location_text changed from [Forward Machinery Room] to []    
May 06 2024 16:08:05          sensor specs update     processing_script changed from [] to [CStar]    
Apr 29 2024 19:24:13          sensor specs update     vendor changed from [Sea-Bird Scientific] to [Sea-Bird Scientific (WET Labs)]    
Apr 29 2024 18:58:39          sensor specs update     description changed from [Beam attenuation] to [PR- C-STAR G4 25 cm. Measures beam attenuation.]    
Apr 29 2024 18:47:25          new sensor     Initial submission of sensor metadata.    
 
Calibration & Maintenance

Frequency Last Completed Next Due
Maintenance A:
 
Maintenance B:
 
Maintenance C:
 
Calibration
 
Recommended Replacement
 
Warranty
 
 
Calibration Files

Date Version Author Type Document Access
 
 
User Guides & Documents

Date Version Author Type Document Access
 
 
Ownership

Quantity Value
Owner
Responsible Party
Purchase Date
Acquire Date
Acquire Condition
End/Lost Ownership Date
 
Vendor Support

Support Type Details
Company Sea-Bird Scientific (WET Labs)
Website https://www.seabird.com
Phone +1 425 643 9866 x3
Email techsupport@seabird.com
Shipping
 
Copyright Notice: All sensor-specific images and documentation on this page are copyright of the vendor.
 
 
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