scope:

This standard is applicable to analyzers, sensor units and electronic units used for the determination of pH values of aqueous solutions using glass-electrodes, IEC PUblication 746-1: Expression of Performance of Electrochemical Analyzers, Part 1: General, includes further definition of the scope and provides for the general aspects of all electrochemical analyzers, including pH. It also contains specifications for simulators used for testing pH electronic units. This standard is intended to specify the terminology, definitions, requirements for statements by manufacturers and performance tests for analyzers, sensor units and electronic units used for the determination of pH value of aqueous solutions.