Every industrial, commercial or natural water source contains dissolved solids or salts. These impurities contribute to the scaling and corrosion of equipment, affect industrial and commercial processes and contribute to poor taste and other deficiencies in drinking water. Obtain reliable digital measurements of your water source with this affordable conductivity meter from ITS. Ideal for water treatment testing, as well as other industrial and commercial testing applications, this meter is designed with internal electrodes to prevent breakage and prolong the electrodes useful life. Large 12mm LCD gives readout in 3 different ranges. Ergonomic design fits comfortably in your hand. 9V battery is included. Made in China.