The HI96749 Hexavalent chromium (Cr+6) Low Range Photometer combines accuracy and ease of use in an ergonomic, portable design. Using the HI93749-0 ready made reagents a user can accurately determine the concentration of chromium VI in samples within a 0 to 300 µg/L (ppb) range. The HI96749 offers many advanced features including the exclusive CAL Check™function used for performance verification and calibration of the meter.