Thermo Scientific Orion Star A121 pH Portable Meters combine simplicity with accuracy. A large LCD displays pH or mV readings along with temperature. Icons provide quick updates on battery life, electrode status and calibration information.
Simple button layout and onscreen messages help with calibration and setup menu choices.
Large, informative screen clearly shows the main information, including pH or mV reading, temperature in ºC or ºF, meter mode, calibration information and battery life
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 3 point pH calibration
Automatic recognition of USA/NIST and DIN buffers
Easily recall calibration slope data for procedure checks
Non-volatile memory holds up to 50 data points
Four AA batteries (included) provide over 2000 hours of operation or purchase the universal power adapter (sold separately) to run meter on AC power
Perfectly portable, waterproof and protected to take anywhere with a IP67-rated housing
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