
DO2 INSTRUCTIONS
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Introduction .....................................................................................................................................4
What is the Seametrics DO2 Sensor?...............................................................................................4
Initial Inspection and Handling ..........................................................................................................4
Do’s and Don’ts........................................................................................................................................4
Installation and Operation...........................................................................................................5
Connecting the DO2 to a Computer................................................................................................5
Installing the Aqua4Plus Software ....................................................................................................5
Installing the Sensor...............................................................................................................................6
Real-time Data ..........................................................................................................................................6
Data Logging.............................................................................................................................................7
Reports.........................................................................................................................................................9
Maintenance .................................................................................................................................. 12
Troubleshooting ........................................................................................................................... 13
Erratic Readings..................................................................................................................................... 13
Grounding Issues.................................................................................................................................. 13
Appendix A: Technical Specications................................................................................... 14
Appendix B: Field Calibration ................................................................................................ 16
Appendix C: Reading the Seametrics DO2 Sensor
via Direct Read...................................................................................................................... 17
Reading Via Modbus®......................................................................................................................... 17
Setting Baud Rate................................................................................................................................. 17
Reading Via SDI-12 .............................................................................................................................. 18
Appendix E: Error Code Chart ............................................................................................... 20
Limited Warranty/Disclaimer - Seametrics DO2 Dissolved Oxygen Sensor ........ 23
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