| Parameter | Units | Acceptable Range |
|---|---|---|
| Temperature | °C | +/- 0.01 °C |
| Salinity | Practical salinity scale (pss) | +/- 0.01 pss |
| Dissolved Oxygen | mg/l | +/- 0.15 mg/l |
| pH | +/- 0.1 | |
| Beam transmission (660 nm) | % for 25 cm pathlength | +/- 0.5 % |
| Chlorophyll fluorescence | µg/l | +/- 0.1µg/l |
| Pressure | decibars (dbar) | +/- 0.5 dbar |