The Horiba LAQUAact EC-120K Meter measures conductivity, resistivity and TDS. The EC-120K features a IP67 waterproof and dustproof casing. Automatic and manual conductivity calibrations are available up to four points. The EC-120K has an adjustable reference temperature and temperature coefficient. Automatic and manual conductivity calibration are available up to four points. Four TDS calibration curves are available for a wide range of applications.