Thermo Fisher Scientific Orion STAR A323 [STARA3230] Dissolved Oxygen Portable Meter

The waterproof, battery-operated Thermo Orion Star A323 portable RDO/DO meter stands up to the most demanding field applications to deliver the most advanced performance of any portable meter. Four AA batteries, included with purchase of the Thermo Orion Star A323, provide over 800 hours of continuous operation so the instrument is ready when it's needed, where it's needed. Compatible with Orion polarographic and RDO optical probes, the meter displays reliable DO concentration, DO saturation and temperature readings on a large, backlit LCD screen and automatically locks in stable readings.

Thermo Orion Star A320 series portable meters provide the largest storage capacity available for time-stamped data points, which can be conveniently uploaded to a PC through the meter's USB and RS-232 ports. The Thermo Orion Star A323 supports several calibration methods and compensation options to produce accuracte readings, while icons provide quick updates on battery life, electrode status and calibration information. The simple button layout and on-screen messages also assist with calibration and explain setup menu choices.