Extech WQ500 Benchtop Water Quality Meter/Stirrer

The WQ500 is a 3-in-1 meter that measures pH, ORP, and temperature of liquids and semi-solids. The unit features a 30-, 60-, and 120-minute timer or continuous stirring, 2 or 3 point pH calibration, and automatic temperature compensation. This unit features a large backlit dual display, and the ability to store/recall 150 readings, as well as capture readings directly to a PC via the built-in USB interface. The WQ500 comes with pH glass electrode, temperature probe, pH calibration solutions (4 and 7 pH), plastic burette, polishing paper, electrode clamp and rod, software and USB cable, AC adapter, stirrer, and user manual.