(a) This Directive applies to goods referred to as instruments, which include measuring instruments, components of measuring instruments, additional devices and measurement equipment. (b) This Directive also applies to units of measurement, the harmonization of methods of measurement and metrological control and, where appropriate, the means required for application of such methods. (c) It also applies to the prescription, methods of measurement, metrological control and marking of quantities of prepackaged products.
in particular, the measurement procedures and characteristics of, and the technical requirements for, their design and functioning, as regards the products referred to in paragraph 1 (a), the requirements concerning paragraph 1 (b) and (c).