Useable anywhere, the WTW Oxi 3150i and Oxi 3300i handheld dissolved oxygen meters are robust, easy to operate and provide assured accurate readings. In combination with galvanic oxygen meter probes DurOx® 325 or CellOx® 325 (no polarization time required) the meters are ready for immediate use anywhere, especially in fish farming applications.

Oxi 3150i handheld dissolved oxygen meters
This easy to use handheld dissolved oxygen meter will meet all your day-to-day demands. This simple, robust instrument has a simplified keypad, with no memory function and no manual input facilities. When used in combination with the DurOx® 325 probe and its protective hood the handheld DO meter is particularly suitable for measurements in fish-farming applications.

Oxi 3300i handheld dissolved oxygen meters
The compact precision handheld dissolved oxygen meter Oxi 3300i enables you to carry out oxygen (DO) measurements rapidly and reliably. The Oxi 3300i provide the maximum degree of operating comfort, reliability and measuring certainty for all applications. Loaded with additional features, the Oxi 3300i handheld DO meters include automatic temperature and air pressure compensation, salinity correction, GLP-supporting functions and built in datalogger. The meters also have auto ranging and auto read function, which checks the stability of the input signal, for ease of use and data reproducibility.