HANNA INSTRUMENTS&nbsp;&nbsp;HI98494 is a waterproof portable logging multiparameter meter that monitors up to 12 different water quality parameters including 6 measured and 6 calculated. &nbsp;The microprocessor based multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved oxygen, and temperature. The probe transmits readings digitally to the meter, where data points can be displayed and logged. Data logged in the meter can be transferred by Bluetooth&reg; to a smart device with the Hanna Lab App installed. The HI98494 is supplied with all necessary accessories and packaged in a durable carrying case.