Sea-Bird Scientific SUNA V2, User Manual

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Table of Contents
Section 1 SUNA quick start guide
................................................................................................... 3
Section 2 Specifications
.................................................................................................................... 5
2.1 Mechanical................................................................................................................................... 5
2.1.1 Bulkhead connector.............................................................................................................5
2.2 Electrical....................................................................................................................................... 5
2.3 Optical.......................................................................................................................................... 5
2.4 Analytical...................................................................................................................................... 6
2.4.1 Nitrate measurement accuracy........................................................................................... 6
2.4.2 Nitrate measurement precision........................................................................................... 6
Section 3 Set up sensor and verify operation
.............................................................................. 7
3.1 Install and start software.............................................................................................................. 7
3.2 Verify sensor operation................................................................................................................ 7
3.3 Operate wiper............................................................................................................................... 7
3.4 Verify sensor collects data........................................................................................................... 8
3.4.1 Monitor data in spectra graph .............................................................................................9
3.4.2 Monitor data in time series graph........................................................................................ 9
3.4.3 Monitor data in absorbance graph.....................................................................................10
3.5 Verify sensor transmits data....................................................................................................... 10
Section 4 Deployment and recovery
.............................................................................................13
4.1 Deployment wizard..................................................................................................................... 13
4.2 Recover sensor from deployment.............................................................................................. 13
Section 5 Transmit data
................................................................................................................... 15
5.1 Export data to .csv or MS Excel format ..................................................................................... 15
5.2 Options to process data............................................................................................................. 16
5.2.1 Convert SUNA raw data.................................................................................................... 16
5.2.2 Show SUNA data.............................................................................................................. 16
5.2.3 Reprocess SUNA data...................................................................................................... 16
5.2.3.1 Nitrate reprocessing details...................................................................................... 17
5.3 Show data from multiple sensors............................................................................................... 19
Section 6 Maintenance
..................................................................................................................... 21
6.1 Sensor maintenance.................................................................................................................. 21
6.2 Clean bulkhead connectors........................................................................................................ 21
6.3 Update reference spectrum........................................................................................................ 22
6.4 Compare reference spectrum files............................................................................................. 25
6.5 Update SUNA firmware.............................................................................................................. 25
Section 7 Reference
..........................................................................................................................27
7.1 Communication.......................................................................................................................... 27
7.1.1 File types........................................................................................................................... 27
7.1.2 Continuous and fixed-time operation.................................................................................29
7.1.3 Logger-controlled operation.............................................................................................. 29
7.1.4 Periodic operation............................................................................................................. 30
7.1.5 Data acquisition monitor.................................................................................................... 30
7.1.6 Analog operation............................................................................................................... 31
7.2 Terminal program....................................................................................................................... 32
7.2.1 Input-output configuration values...................................................................................... 33
7.2.2 Data collection setup values..............................................................................................34
7.3 Theory of operation.................................................................................................................... 35
7.3.1 Background....................................................................................................................... 35
7.3.2 Description of nutrient units............................................................................................... 35
7.3.3 Nitrate concentration......................................................................................................... 35
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