It is a high-quality combination ORP (oxidation-reduction potential) electrode designed for accurate measurements in large sample volumes. Featuring a platinum ring indicator and a silver/silver chloride reference system, this electrode ensures reliable performance in various laboratory and industrial applications. The 170 mm shaft length allows for measurements in deep vessels, barrels, or pilot reactors. The Safelock™ closing ring facilitates easy refilling of the reference electrolyte and ensures complete sealing when closed. The electrode is equipped with an S7 connector, allowing compatibility with a wide range of measuring instruments (cable sold separately).