The HI96702 High Range Copper Photometer combines accuracy and ease of use in an ergonomic, portable design. Using the HI93702-0 ready-made reagents a user can accurately determine the concentration of copper in a variety of water samples within a 0.00 to 5.00 mg/L (ppm) range. The HI96702 offers many advanced features including the exclusive CAL Check™ function used for performance verification and calibration of the meter.