- Measures Dissolved Oxygen
- Conventional measurement
- Waterproof
- Portable & robust – ideal for use in rough conditions
ProfiLine Oxi : Portable Dissolved Oxygen meter

comes with external probe
ProfiLine Oxi
Portable Dissolved Oxygen meter
Brand: WTW
*Different versions available – refer to Technical Data section below
| ProfiLine model | Oxi 3205 | Oxi 3310 |
| Calibration memory | current calibration | up to 10 calibrations |
| Celsius/Fahrenheit | yes | yes |
| AutoRead | automatic | automatic/manual selectable |
| Display | LCD graphic display backlit | LCD graphic display backlit |
| Data memory | – | manual 200/5000 automatic |
| Logger | – | manual/time controlled |
| Interface | – | USB 1.1 |
| Power supply | 4 x 1.5 V AA or 4 x 1.2 V NiMH-rechargeable battery | 4 x 1.5 V AA or 4 x 1.2 V NiMH-rechargeable battery |
| Continuous operation time | up to 800 hours (100 hours with backlit) | up to 800 hours (100 hours with backlit) |
| Protection class | IP 67 | IP 67 |
| Dissolved Oxygen Concentration |
0.00 … 20.00 mg/l ± 0.5 % of val. 0 … 90 mg/L ± 0.5 % of val. |
0.00 … 20.00 mg/l ± 0.5 % of val. 0 … 90 mg/L ± 0.5 % of val. |
| Saturation | 0.0 … 200.0 % ± 0.5 % of val. 0 … 600 % ± 0.5 of val. |
0.0 … 200.0 % ± 0.5 % of val. 0 … 600 % ± 0.5 of val. |
| Partial pressure | 0 … 200.0 hPa, 0 … 1250 hPa. ± 0.5 % of val. | 0 … 200.0 hPa, 0 … 1250 hPa. ± 0.5 % of val. |
| Temperature | – 5.0 … 50.0 °C ± 0.1 °C | – 5.0 … 50.0 °C ± 0.1 °C |
| Calibration | CellOx®/DurOx® with calibration vessels | CellOx®/DurOx® with calibration vessels versus external standard |
| Built-in barometric sensor |
yes | yes |
Galvanic Dissolved Oxygen sensors