The Ohaus 30589823 a-AB23EC-F AQUASEARCHER Cond Meter is a simple-to-use benchtop meter designed to easily measure conductivity, TDS, and salinity. It features a large LCD display with six instructional menu buttons for easy operation. The meter has a 99-item memory for efficient data collection and comes with a stand-alone electrode holder for greater flexibility in experiments. With automatic and manual endpoint functions and temperature compensation, this meter ensures accurate measurements. The measurement range is 00.0 μS/cm to 199.9 mS/cm with a resolution of 0.01 μS/cm. The accuracy is ± 1% Reading ± 3 LSD. The included electrode is STCON3. The dimensions of the meter are 8.3 in x 2 in x 5.6 in (LxHxW) and it weighs 0.8 lb. The power source is an AC adapter (included) and it has temperature compensation. This meter is ideal for conductivity measurements in various applications.