The Hach sensION+ PH31 GLP benchtop pH meter measures pH from -2 to 16, ORP from -2000 to 2000 mV, and temperature from -20 to 150C. It also data logs up to 400 measurements. With a PC/ printer output, transferring data is a breeze.

This lab meter also comes with a wide range of features to ensure the most accurate measurements possible. It automatically recognizes 15 technical buffers, has pH and mV calibration, and 3 measuring modes. Other features include iso-potential point adjustment and temperature readjustment. Each meter includes a workstation with a built-in stirrer and probe holder.