The Lab Junction LJ-118 (b) ORP Electrode/Sensor is a high-precision oxidation-reduction potential (ORP) measuring probe contructed for accurate and stable readings in laboratory and industrial environments. It comes with a BNC connector for secure and easy connection with a wide range of pH and ORP meters. It has a measuring range of -200 mV to +200 mV, this sensor enables fast response, high sensitivity, and long-term reliability. The electrode is designed with high-quality glass material, ensuring excellent performance in various water quality monitoring applications.