S.L. 454.15 Art. 45Committee procedure. A in order that and shall be measurement The set out below requirements the general The account of the Definitions: Measurand Influence Rated Disturbance Critical Material Direct sales Climatic Utility

(1) Where reference is made to this sub-regulation,

Regulation 4 of Regulation (EU) No. 182/2011 shall apply.

(2) Where reference is made to this sub-regulation, Regulation 5 of Regulation (EU) No. 182/2011 shall apply. SCHEDULE I

ESSENTIAL REQUIREMENTS measuring instrument shall provide a high level of metrological protection any party affected can have confidence in the result of measurement, designed and manufactured to a high level of quality in respect of the technology and security of the measurement data. essential requirements that shall be met by measuring instruments are and are supplemented, where appropriate, by specific instrument in Schedules III to XII that provide more detail on certain aspects of requirements.

solutions adopted in the pursuit of the essential requirements shall take intended use of the instrument and any foreseeable misuse thereof.

The measurand is the particular quantity subject to measurement. quantity An influence quantity is a quantity that is not the measurand but that affects the result of measurement. Operating Conditions The rated operating conditions are the values for the measurand and influence quantities making up the normal working conditions of an instrument. An influence quantity having a value within the limits specified in the appropriate requirement but outside the specified rated operating conditions of the measuring instrument. An influence quantity is a disturbance if for that influence quantity the rated operating conditions are not specified. change value The critical change value is the value at which the change in the measurement result is considered undesirable. Measure A material measure is a device intended to reproduce or supply in a permanent manner during its use one or more known values of a given quantity. A trading transaction is direct sales if: - the measurement result serves as the basis for the price to pay; and - at least one of the parties involved in the transaction related to measurement is a consumer or any other party requiring a similar level of protection; and - all the parties in the transaction accept the measurement result at that time and place. environments Climatic environments are the conditions in which measuring instruments may be used. To cope with climatic differences between the Member States, a range of temperature limits has been defined. A utility is regarded as a supplier of electricity, gas, thermal energy or water. ESSENTIAL REQUIREMENTS