Simple-to-Use Benchtop Meter Designed to Easily Measure Conductivity, TDS and Salinity. With six instructional menu buttons and auto temperature compensation, it is an easy and straightforward meter for measurement. A large 5-inch backlit LCD display with complete measurement information simplifies operation and allows you to monitor the results from a distance. Featuring a compact stand-alone electrode holder, the AB23EC increases the flexibility of the experiment and fits ideally in any lab. Designed with a large LCD Display and six instructional menu buttons, the AB23 series bench meter is simple and straightforward. A 99-item memory for measurements ensures efficient data collection. A stand-alone holder with a small base provides the user greater flexibility when running experiments, and makes the AB23 bench meter a perfect space saving meter for your lab.