Industrial 13-639-51 Calomel Reference Electrode

Fisher 13-639-51 Calomel Reference Electrode is an industrial-grade reference electrode featuring a calomel reference cell with a porous plug design. The Porous Plug Type housing provides reliable ionic contact with the test solution while protecting the internal filling, and the Dri-Pak construction supports storage stability and robustness in field or lab use. This electrode delivers a stable reference potential for potentiometric measurements in electrochemical cells, a critical factor for achieving consistent readings during analysis and testing. The 13-639-51 model designation identifies this Fisher electrode for users who require a precise, repeatable reference signal in electrochemical work, calibration routines, or process analytical applications. As part of Fisher’s electrode lineup, it is designed to integrate with standard laboratory instrumentation and reference setups that rely on a dependable reference potential. Ideal for controlled experiments, routine QA, and development work where a stable reference is essential. Fisher reference electrodes are widely specified for reliability and repeatability in electrochemical research.