The SensoRex ORP Electrode ORP-16Z015 is an oxidation reduction potential (ORP) electrode used for measuring ORP in water treatment applications. It has a platinum sensing element and epoxy body suitable for wastewater, pools, spas, and industrial processes. The electrode has a BNC connector, 12 mm diameter x 150 mm length, and operates from 0-80°C. It requires a separate reference electrode and meter to take measurements. The electrode provides accurate ORP readings for monitoring water quality.