The Hanna Lab App turns your Android device into a full-featured pH meter when used with a Hanna Instruments HALO® or HALO2 pH probe with Bluetooth® Smart technology or a data management system when used with a Hanna Instruments HI98494 or HI98594 Multiparameter Bluetooth Portable meter or HI97115 Marine Master Waterproof Multiparameter Photometer. The Hanna Lab App features Hanna Cloud compatibility. Once connected, data from HALO and HALO2 probes, HI98494, HI98594 and HI97115 meters, can be a