Touch Screen pH/Conductivity Meter by Biologix is a benchtop meter with a 7-inch color touch screen that reads pH to 0.001 resolution with ±0.01 pH meter accuracy, plus conductivity, TDS, salinity and resistivity. It recognizes 25 pH buffers and 8 conductivity standards, stores 1000 data sets and exports by USB or PC connection. 110 V, 50/60 Hz, US plug.