Via integrated Bluetooth® Smart (4.0) technology, handheld eXact iDip® pairs directly with smartphone/tablet. Instrument lets operator test 35+ water quality parameters through 4-step process and offers automatic calculations for Langlier Saturation Index (LSI) and Magnesium Hardness. Through eXact iDip App, testing location data and test results can be stored with GPS-enabled feature to foster efficient data management and real-time sharing.