Thermo Scientific Orion 210058 On-Line ROSS Reference Electrode with Screw Cap

The Thermo Scientific Orion 210058 is a high-performance on-line ROSS reference electrode designed for stable and accurate potential measurements in continuous monitoring applications. Part of the acclaimed Orion ROSS series, it utilizes a unique iodide/iodine redox couple internal element, offering superior stability, rapid response times, and extended lifespan compared to conventional Ag/AgCl reference electrodes. This model features a screw cap for convenient filling and maintenance, making it ideal for industrial process control, water treatment, environmental monitoring, and laboratory electrochemical setups where precise pH, ORP, or ion-selective measurements are essential. Key features include minimal potential drift, excellent temperature compensation, and resistance to contamination in varying sample conditions. Advantages over similar products include faster equilibration, reduced maintenance needs, and compatibility with a broad range of aggressive or high-purity solutions. However, it requires regular refilling with the included 3M KCl filling solution to maintain optimal performance, and it may not be suitable for extremely high-pressure environments without additional housing. The electrode comes packaged with filling solution, a filling pipette, and protective accessories, ensuring easy installation and reliability in demanding on-line systems. Based on attached images, the unit appears new in original packaging, with no visible wear, including a bottle of reference electrode filling solution and warranty documentation.