Dissolved Oxygen

The SD 310 Oxi for simple, fast Dissolved Oxygen measurements

The portable meter SD 310 Oxi from Lovibond / Tintometer meets the day to day demands for sturdy and reliable measurement of dissolved oxygen, with an instant sensor.


The well known Clark-oxygen-sensor with integrated temperature compensation allows instant measurement without the need for time-consuming polarisation.

A direct, convenient user interface facilitates meter operation, both outdoors and in the laboratory.

The automatic hold function “freezes” measuring data on the display, making it easy to read and note down results.

The internal memory allows storage of up to 1,000 data points. Also an internal data logger enables continous monitoring of measurement results. There is also an alarm fucntion for detailed monitoring.

The water-tight housing (IP 65 and IP 67) together with the rugged, protective case ensures reliable operation even in extreme environments.

Available with a 1.5m, 10m or 30m probe cable to suit all applications.


Key specifications;

  • O2 concentration; 0.0 to 70.0 mg/L
  • O2 partial pressure; 0 to 1200 hPa O2 (0.0 to 427.5mm Hg)
  • O2 saturation; 0 to 600%
  • Accuracy O2 concentration; ±1.5% or ±0.2mg/L from 0-25 mg/L, or ±2.5% or ±0.3mg/L from 25-70  mg/L
  • Temperature accuracy; ± 0.1°C
  • Salinity correction; Yes
  • Power supply; 2x AAA batteries
  • Dimensions; 164 x 98 x 37mm
  • Weight; 287 g


To find out more about the SD 310 Dissolved Oxygen meter just follow the links above, or contact us with any questions;