SANSEL Online pH and ORP Indicator is a rugged and compact panel mount instrument designed for accurate pH and oxidation reduction potential measurement in industrial environments. The instrument features easy front-panel calibration for pH and ORP adjustment, ensuring quick setup and reliable operation. Built with weatherproof construction and a compact panel size, the system is suitable for water treatment plants, chemical industries, laboratories, and process monitoring applications. Its stable performance and wide power supply compatibility make it an ideal solution for continuous industrial pH and ORP indication.