CP Test Equipment

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A reference electrode is an electrode which has a stable and well-known electrode potential. The high stability of the electrode potential is usually reached by employing a redox system with constant (buffered or saturated) concentrations of each participants of the redox reaction. There are a multitude of ways reference electrodes are used. The simplest is when the reference electrode is used as a half cell to build an electrochemical cell. This allows the potential of the other half cell to be determined.

There are a variety of reference electrodes: Aqueous reference electrodes, Non-aqueous reference electrodes, Pseudo-reference electrodes etc. Mostly the aqueous reference electrodes are in use for potential measurement.

Current Interrupters are the key instrument to obtain IR free potential (instant Off potential) for the protected structure. Now advance and  portable, flexible, rugged, fully-programmable GPS synchronised current interrupter that is designed specifically for cathodic protection (CP) surveys. These interrupters  helps operators to ensure corrosion mitigation effectiveness and meet regulatory requirements.

In a modern cathodic protection system it is essential to monitor and / or record continuously and precisely the Potential Difference (P.D.) between the protected structure and the environment surrounding it. Data loggers are computerized instruments into which data, control points, and other information can be entered. Some of them are so small they can fit into a ground level test station. After use, data loggers are connected to a computer and the information is downloaded. The computer can also create graphs of data.