The SensoRex ORP Electrode ORP-16Z006 is an oxidation reduction potential 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 water. The electrode has a 12 mm diameter, 120 mm length, BNC connector, and 3/4" NPT threads. It has a temperature range of 0-80°C, pressure range of 0-100 psig, and response time of <10 seconds. The electrode requires use with an ORP meter and calibration solutions.