Orion Star™ A221 pH Portable Meter, Thermo Fisher Scientific (CAT#: STEM-LE-1854-LC)

The durable and reliable Orion Star™ A221 pH Portable Meter makes the necessary tests easier.

Measurement Mode(s):pH, mV, Temperature
Measurement Resolution:0.1 pH, 0.01 pH, 0.001 pH, 0.1 mV, 0.1 °C
pH Range:-2.000 pH to 20.000 pH

Multilingual interface supports English, Spanish, French, Italian, German and Chinese
Thermo Scientific™ AUTO-READ™ locks the stable reading on the screen and alerts the "Ready" indicator when the reading is stable
The meter includes a pH calibration of up to five points, which automatically recognizes USA/NIST™ and DIN buffers
Non-volatile memory can hold up to 1,000 data points with time and date stamp
Users can easily transfer data and keep the instrument software up to date through USB and RS232 ports and free data analysis software
Four AA batteries (included) can provide more than 800 hours of running time, or purchase a universal power adapter (sold separately) to use AC power
The instrument is portable, waterproof, and the protection level is up to IP67, which can be carried anywhere

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