EHMA bofcon Bo Frank Consulting June 2005 European requirements and practice in heat metering by Bo Frank EHMA

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 Who is Bo Frank?  Representative of EHMA  25 years within the Heat Meter technology  20 years at one of the EHMA companies mainly as product manager Now self-employed:  working as technical consultant  working as a convenor in CEN / TC176 / WG2 making the technical editing for EN 1434 the European standard for Heat Meters  participated in the work with MID and OIMLr75 for Heat meters

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005  EU Measuring Instrument Directive MID 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005  EU Measuring Instrument Directive MID  European standard for Heat Meters EN 1434 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005  EU Measuring Instrument Directive MID  European standard for Heat Meters EN 1434  Time schedule and transitional provisions 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005  EU Measuring Instrument Directive MID  European standard for Heat Meters EN 1434  Time schedule and transitional provisions  National regulations for reverification of meters in use

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 EU Measuring Instrument Directive MID  Adopted a year ago  If national regulations – then based on MID  New approach: standards and normative documents used as support. 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 EU Measuring Instrument Directive MID  Adopted a year ago  If national regulations – then based on MID  New approach: standards and normative documents used as support.  Essential requirements – not only pure metrological requirements  Requirements on - the meter - the meter manufacturer - the meter user (heat supplier or meter installer)

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 EU Measuring Instrument Directive MID  Essential requirements – not only pure metrological requirements: 7.2 A measuring instrument shall be suitable for its intended use taking account of the practical working conditions and shall not require unreasonable demands of the user in order to obtain a correct measurement result. … A measuring instrument shall be robust and its materials of construction shall be suitable for the conditions in which it is intended to be used.

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 EU Measuring Instrument Directive MID  Requirements on - the meter manufacturer: (7)The responsibilities of the manufacturer for compliance with the requirements of this Directive should be specifically stated.  To be able to make the initial verification in a testing laboratory in connection with the manufacturing the manufacturer must have an approved quality system for production and final testing. In other case the final testing must be done by an approved testing house independent of the manufacturer as well as the user.

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 EU Measuring Instrument Directive MID  Requirements on - the meter user (heat supplier or meter installer) The government authorities shall ensure that the appropriate measuring range for a Heat Meter will be “ determined by the heat supplier or the person legally designated for installing the meter, so that the meter is appropriate for the accurate measurement of consumption that is foreseen or foreseeable” (MID Annex MI-004 §8). That means the buyer must use a correct specification. This specification must also include dimensions and other properties to ensure that the meter fits the intended installation. Such a specification must also be used when dimensioning the sites where the meter shall be installed so that standardised meter components will fit.

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 Testing procedures according to MID Proce- Type testingIndividual testing dures B + Fby a notified body. by a notified body

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 Testing procedures according to MID Proce- Type testingIndividual testing dures B + Fby a notified body. by a notified body B + Dby a notified body by the manufacturer under supervision of a notified body + quality system for production, final product inspection and testing.

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 Testing procedures according to MID Proce- Type testingIndividual testing dures B + Fby a notified body. by a notified body B + Dby a notified body by the manufacturer under supervision of a notified body + quality system for production, final product inspection and testing. H1by the manufacturerby the manufacturer under supervision of a notified body + quality system for design, manufacture, final product inspection and testing

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 European standard for Heat Meters EN 1434  Will be harmonised to MID Will be listed in the EU Official Journal and contain an Annex Z 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 European standard for Heat Meters EN 1434  Will be harmonised to MID Will be listed in the EU Official Journal and contain an Annex Z  Also LVD, PED and part of the EMC directive applies for heat meters but not completely covered by EN 1434: No electrical or pressure safety requirements in EN 1434 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 European standard for Heat Meters EN 1434  Will be harmonised to MID Will be listed in the EU Official Journal and contain an Annex Z  Also LVD, PED and part of the EMC directive applies for heat meters but not completely covered by EN 1434: No electrical or pressure safety requirements in EN 1434  EN 1434 covers not only the metrolocigal requirements of MID but also - suitable for its intended use - not require unreasonable demands of the user - suitable for the conditions in which it is intended to be used

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 European standard for Heat Meters EN 1434 consists of 6 parts 1) General requirements Definitions Measuring range and maximum admissible errors, MPE Environmental classification Heat meter specification 2) Constructional requirement Standardised dimensions Interfaces between sub-units Markings and security seals 3) Data exchange and interfaces 4) Pattern approval tests 5) Initial verification tests (can also be used for reverification) 6) Heat meter installation, commissioning, operational monitoring and maintenance A normative part with some “musts” to ensure that the conformity with MID is not destroyed An informative part with some advises

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 Time schedule and transitional provisions Already today several European counties have national regulations for Heat Meters based on the current version of EN From 2006 the national regulations must be based on the MID, or an harmonised standard (document) approved by the EU Commission and listed in the EU Official Journal The timetable as it looks now is: MID is adopted National regulation implementing MID shall be ready The new national regulations shall apply Meters with old not time limited type approvals can not longer be installed 1997 EN 1434 published 2001 EN 1434 A1 published prEN 1434 New edition out for enquiry End of enquiry period TC-meeting to discuss the result of the enquiry 2006 New edition published

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 National regulations for reverification of meters  MID is only covering the initial work of selecting a proper meter and take it into use for the first time. 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 National regulations for reverification of meters  MID is only covering the initial work of selecting a proper meter and take it into use for the first time.  There is no common requirements and practice within Europe regarding meters that already is taken into use. 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 National regulations for reverification of meters  MID is only covering the initial work of selecting a proper meter and take it into use for the first time.  There is no common requirements and practice within Europe regarding meters that already is taken into use.  The EN 1434 part 5 is however a useful procedure also for the purpose of the reverification. 

EHMA European requirements and practice in heat metering bofcon Bo Frank Consulting June 2005 National regulations for reverification of meters  MID is only covering the initial work of selecting a proper meter and take it into use for the first time.  There is no common requirements and practice within Europe regarding meters that already is taken into use.  The EN 1434 part 5 is however a useful procedure also for the purpose of the reverification.  The service life before a meter must be reverified differs between the counties. In the information I have seen the interval is between 2 to 10 years.