Hanna H198107 pHep Ph Tester displays readings with 0.1pH resolution, 0.1pH Accuracy, and a range from 0.0 to 14.0 pH. This Rugged , Reliable , Ergonimic, Pocket sized tester is designed for use in the lab or field while keeping things simple with two button operation
Extractable Cloth junction to extend pH Electrode LifeHas Automatic Temperature Compensation For Use in Fresh Water