The EXTECH ExStik II Conductivity/TDS/Salinity Meter is a versatile, waterproof instrument ideal for a wide range of applications, from tap water analysis to wastewater monitoring. This meter offers simultaneous measurement of conductivity, TDS, salinity, and temperature, with adjustable conductivity-to-TDS conversion for accurate TDS calculations. Its autoranging capabilities cover a broad spectrum of aqueous solutions, while the large digital display and analog bargraph provide clear and trend-indicating readings. The ExStik II is designed for ease of use and durability, featuring a replaceable sensor module, automatic temperature compensation, and a robust waterproof design (IP57).