Extech PH90 Waterproof pH Meter

Constructed with durable waterproof (IP57) housing, Extech’s PH90 Waterproof pH Meter is equipped with Flat Surface Electrode for the pH measurement in solids, semi-solids and liquids. The PH90 eliminates the hassles of traditional glass bulb electrodes as the flat surface electrodes do not break or clog junctions. The sensor can be effortlessly replaced, making the PH90 ideal for use in the lab or out in the field.