IEC 61298-2 dictates that a test report must not just be a list of numbers. It requires a graphical representation of the data, often resulting in the classic "Butterfly Loop" or calibration curve. The report must detail:
: Guidance on selecting test ranges, preconditioning cycles, and statistical treatment of measurement data to create error curves.
A key administrative feature of IEC 61298-2 is the requirement for specific documentation. The standard dictates the format of the test report to ensure transparency. A compliant report must include: