The EXA100 Series Panel Mount pH Measurement System is ideally suited for applications using simplified instrumentation such as small-scale wastewater treatment. Based on the design concept of pH meters and Yokogawa's years of experience and achievement in the broad PA market, this system provides a high degree of reliability with practical functions. The converter packs simple functions in its compact housing, and also incorporates various self-diagnostics features for which the EXA Series enjoys a high reputation. With this sophisticated and elegant design, Yokogawa delivers all the security and reliability that it is well known for.