Portable Total Hardness Photometer with CAL Check – HI97735

HI97735 is an advanced portable photometer for the measurement of total hardness in water up to 750 mg/L (ppm). This meter has a superior optical system that utilizes a reference detector and narrow band interference filters for extremely fast and repeatable measurements. No warm up time before taking a measurement Tutorial mode for step-by-step instructions CAL Check for performance verification and calibration