Orion Star A321
The Thermo Scientific Orion Star A321 pH Portable Meter is the top choice for advanced pH measurements on location. Get the
information you need quickly and easily from the large, backlit graphic LCD display. Informative display shows pH/mV/RmV and
temperature along with electrode status, time, date, sample ID, user ID and calibration points. Advanced features such as stability and averaging options provide additional options allowing for laboratory accuracy everywhere you need it.

Features and Benefits

• Anyone can use this meter with its plain language screen prompts, soft keys that update for easy selection and a multilanguage interface that supports English, Spanish, French, Italian, German and Chinese
• Don’t miss a reading – AUTO-READ™ locks in the stable reading on your screen, ready indicator alerts when readings are stable and timed reading gathers data in specific time intervals.
• Up to 5 point pH calibration with automatic recognition for USA/NIST and DIN buffers
• Fix errors without a complete recalibration with calibration editing
• Non-volatile memory holds up to 5000 data points with time and date stamp
• User and sample ID fields for additional data accuracy
• Stores up to 10 methods allow for customized procedures to differentiate between tests and/or users
• Easily transfer data and keep meter software up-to-date with the USB and RS232 ports and complimentary data analysis software
• Four AA batteries (included) provide over 800 hours of operation or purchase the universal power adapter (sold separately) to use AC power
• Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing
• 3 year meter replacement warranty

Orion Star A221
Get the readings that you need where you need them with the Thermo Scientific Orion Star A221 pH Portable Meter. The large,
backlit graphic LCD display shows pH/mV/RmV and temperature along with electrode status, time, date and calibration points.

Features and Benefits

• Anyone can use this meter with its plain language screen prompts, soft keys that update for easy selection and a multilanguage interface that supports English, Spanish, French, Italian, German and Chinese
• Don’t miss a reading – AUTO-READ™ locks in the stable reading on your screen and ready indicator alerts when readings are stable
• Up to 5 point pH calibration with automatic recognition for USA/NIST and DIN buffers
• Non-volatile memory holds up to 1000 data points with time and date stamp
• Easily transfer data and keep meter software up-to-date with the USB and RS232 ports and complimentary data analysis software
• Four AA batteries (included) provide over 800 hours of operation or purchase the universal power adapter (sold separately) to use AC power
• Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing
• 3 year meter replacement warranty