Trans Instruments offers a variety of pH electrodes for different applications. These electrodes are of good quality and good repeatability. With careful maintenance and proper usage, they will last the full extend of their lives. The general purpose electrode is commonly used for water testing, waste water testing, education, experiment and laboratory usage. Specialized electrodes for semi-solid, high viscosity liquid, high temperature samples are also available. All electrodes come with a regular BNC connector with a 1 meter cable. All pH sensors are delivered with pH storage solution in a soaking bottle, so the sensors are ready for use.