Thermo Scientific Portable Dissolved Oxygen/Temperature Me

The Orion 830A meter is a basic waterproof handheld dissolved oxygen meter with built-in probe quiver for air calibration. With dual display of DO and temperature, three calibration options including optional calibration to the Winkler titration, automatic temperature and barometric pressure compensation. The Orion 830A is the easiest to use meter available. The meter comes with an Orion dissolved oxygen probe. Meter warranty is three years.

The Orion Model 835A is a rugged, waterproof to IP66, handheld dissolved oxygen meter with the convenience of a built-in probe quiver for air calibration. With dual display of DO and temperature, bi-directional RS232, 200 datalogging points, three options for calibration including optional calibration to the Winkler titration, automatic temperature and barometric pressure compensation, Orion 835A is simple to use and versatile. Datalogging can be performed manually, by user defined timed intervals or by a change from the previously measured value. The meter comes with an Orion dissolved oxygen probe. Meter warranty is three years.