hermo Scientific Eutech pH 150 is a waterproof portable pH/ORP meter that offers 0.01 accuracy, ATC, temperature display, multi-point auto calibration, 150 memory, stability indicator, data-hold, auto power-off and electrode diagnosis. Unit comes with foldable hinge and mains-powered option for benchtop use. Kit includes meter, pH electrode, ATC probe, calibration solutions and hard case.