Extech EC100  

Extech EC100: Conductivity/Temperature Meter

Waterproof meter with high-accuracy multi-ranging sensor

EC100 is a Conductivity/Temperature Meter. Waterproof meter with high-accuracy multi-ranging sensor. Features Auto Power off with disable. Units of measure include µS/cm, mS/cm, ppm, ppt. Featuring Adjustable Automatic Temperature Compensation. Includes meter, protective sensor cap, and four LR44 button batteries. Conductivity standards sold separately (required for calibration).