pH Meter
ExStik® PH100 - Extech Instruments Corporation
Meter with flat surface electrode for fast and easy on-the-spot pH measurements. The waterproof ExStik® PH100 pH meter by Extech is an accurate, rugged and reusable stick pH meter with some unique data storage features that make it exceptionally easy to use and considerably enhance its usability. The flat surface electrode allows you to measure pH in liquids, semi-solids and solids and limits electrode breakage and clogged junctions.