Page 1
Contents
1.
Introduction ..............................................................................................2
1.1
Aqua-D Display and Controls............................................................................. 2
1.2
Unpacking Information ...................................................................................... 4
1.3
Specifications ................................................................................................... 6
2.
Operating Modes ......................................................................................8
3.
Dissolved Oxygen Calibration................................................................10
3.1
Calibration .......................................................................................................10
3.2
Dissolved Oxygen Calibration Notes .................................................................11
3.3
Dissolved Oxygen Calibration Messages ..........................................................12
4.
Temperature Calibration.........................................................................13
4.1
Calibration .......................................................................................................13
4.2
Calibration Notes .............................................................................................14
4.3
Calibration Messages.......................................................................................14
5.
Setting the Salinity Correction Value.....................................................15
6.
Battery Saver Function...........................................................................16
7.
Initialising the Aqua-D ............................................................................17
8.
Instrument software version number.....................................................17
9.
Troubleshooting .....................................................................................18
9.1
General Error Messages ..................................................................................18
9.2
Dissolved Oxygen Troubleshooting...................................................................19
9.3
Temperature Troubleshooting...........................................................................20
10.
Dissolved Oxygen Sensor Fundamentals..........................................21
10.1
Operating Principle ......................................................................................21
10.2
Maintenance Of The Membrane ...................................................................22
10.3
Probe Storage .............................................................................................22
10.4
Notes On Units Of Dissolved Oxygen ...........................................................23
10.5
Equilibrium Conditions .................................................................................24
10.6
Velocity Past The Membrane........................................................................25
11.
Warranty ..............................................................................................26