The waterproof, battery-operated Thermo Orion Star A223 portable RDO/DO meter stands up to the most demanding field applications and delivers over 800 hours of continuous operation. The informative, backlit display shows DO concentration, DO percent saturation and temperature readings along with time, date, sample ID, user ID and calibration information. The meter accepts both Orion polarographic probes and RDO optical probes for increased accuracy and versatility. For advanced users, features such as stability and averaging choices provide additional options.
Thermo Orion Star A220 series benchtop meters provide a large storage capacity for time-stamped data points, which can be conveniently uploaded to a PC through the meter's USB and RS-232 ports. Complimentary data analysis software allows users to quickly view and manipulate data. Accuracy can be ensured through a variety of pressure compensation options and calibration methods.