This compact unit with a chemically resistant stainless steel top features a pH meter with built-in-stirrer, selectable setpoint, and automatic temperature compensation. An alarm indicates when pH level is within 0.5 pH of the setpoint. All measurements are displayed on three large LCDs. The pH meter can be calibrated at two points. pH range: 0.00–14.00. Maximum stirring capacity: 1 L. Stirring speed: 100–1,000 rpm. 110 VAC with a 6' cord. Size: 7"L x 7"W x 2 3/4".