Extech EC400 ExStik Conductivity/TDS/Salinity Meter

Extech ExStik Conductivity/TDS/Salinity Meter features a high-accuracy, self-calibrating sensor that offers three ranges of measurements from tap water to waste water and any aqueous solution. Memory stores up to 25 labeled readings in six different units of measure. Adjustable conductivity to TDS ratio factor from 0.4 to 1.0. Extech ExStik Conductivity/TDS/Salinity Meter displays temperature with automatic compensation of 2% per °C. Includes conductivity cell, protective cap, sample cup, neckstrap and four CR2032 batteries.