The only disadvantage of the Vernier Optical DO Probe (ODO-BTA) is that it costs more. It is both easier to use and more accurate than the older Dissolved Oxygen Probe (DO-BTA). The chart below shows a feature comparison.
| Feature | Optical DO Probe | Dissolved Oxygen Probe |
|---|---|---|
| No calibration required | ✓ | |
| No stirring required | ✓ | |
| No warm-up time | ✓ | |
| No electrode filling solution | ✓ | |
| Automatic pressure compensation | ✓ | |
| Automatic temperature compensation | ✓ | ✓ |
| Measure in mg/L | ✓ | ✓ |
| Measure in % saturation | ✓ | |
| Compatible with LabQuest interfaces (all models) | ✓ | ✓ |
| Compatible with Go!Link | ✓ | |
| Order Code | ODO-BTA | DO-BTA |