Business and enterprise – guidance

Approved manufacturers: conformity assessment

Apply to become or identify an approved manufacturer authorised to carry out conformity assessment.

Apply to become an approved manufacturer

You can only become an approved manufacturer authorised to carry out conformity assessment under the Measuring Instruments Directive (MID) and Non-automatic Weighing Instruments (NAWI) Directive by gaining accreditation through a conformity assessment body (CAB). Once accredited, your details will be passed to the Legal Metrology team within Regulatory Delivery (RD), which undertakes relevant functions on behalf of the Secretary of State. RD will then add you to the list of approved manufacturers maintained on this website.

Email one of the following accredited certification bodies for further details:

SGS

BSI

NMO

How to find an approved manufacturer

NAWI/MID approved manufacturers register

RD maintains an up to date register of all CAB approved manufactures.

Approved manufacturers list updated July 2016

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MID/NAWI directives

NAWI

This European directive relating to non-automatic weighing instruments permits manufacturers to seek approval to allow them to undertake self-verification of their EC-type approved instruments. The term used in the directive for this activity is ‘EC declaration of type conformity’. To be granted permission to self-verify your organisation must satisfy the essential requirements specified in the directive. This requires you to have a quality system in place for this activity that will need to be assessed (and certified) by a CAB.

MID

This European directive covers a range of weighing and measuring instruments, including water meters, automatic weighing instruments, fuel dispensers, capacity serving measures and length (tape) measures. It has a number of conformity assessment modules that permit manufacturers to place equipment on to the European market under the control of an approved quality system. To gain approval your organisation must satisfy the essential requirements specified in the directive. A CAB will assess your quality system and will certify you to perform initial verification activities.

Guidance flowchart: understand how to become an approved manufacturer under NAWI 2009 and MID 2006 flowchart, for trading standards, notified bodies and manufactures

NAWI 2009 and MID 2006 flowchart

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Understand the definition of a manufacture flowchart under NAWI, guidance for trading standards, notified bodies and manufactures

Definition of a manufacturer flowchart under NAWI

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Approved manufacturer and conformity assessment issues

RD provides a central point of reference for the reporting of incidents discovered by inspectors and verifiers of equipment relating to the processes controlled under NAWI and MID and the Deregulation (Weights and Measures) Order 1999, as amended. This informs the process of market surveillance under the EU directives and national provisions relating to weights and measures.

If you are an approved verifier, an approved manufacturer, a notified body or an inspector of weights and measures and have concerns about the way a piece of equipment was verified or conformity assessed by another organisation or the supporting processes, you can inform RD by e-mailing information using the link below.

This reporting mechanism is not intended to deal with random errors relating to the accuracy of a single piece of equipment. Its purposes are to highlight systematic problems with quality systems and their associated processes, and to collect evidence to inform market surveillance.

Please supply enough information to ensure that the issue can be clearly identified and the companies’ processes and equipment involved are recorded.

This should include at least:

  • a brief description of the events
  • companies concerned
  • equipment involved or any identifying marks etc. that may help identification
  • the point at issue
  • if a notified body is involved, state which one
  • your contact details
  • any other action you are taking or persons you have informed

Contact point to report issues

If you wish to report an issue please use the following email address:

Self verification and notified body issues

Equipment regulations

RD has produced a collection of documents containing guidance on regulation relating to each type of equipment