HANNA HI98107 PH METER
The Hi 98107 electronic pH meter by Hanna Instruments is incredibly easy to use and calibrate. Simply turn it on, take off the protective cap, and submerge the probe for a few seconds to get the result. It features manual two-point calibration via an adjustable screw and a renewable reference junction. Battery life is up to 700 hours. The meter comes with a new stylish case.