Technical Information : Technical Articles

Technical Articles

This section of the web site is dedicated to providing clear and useful information* on a number of important weighing related topics.

The UKWF publishes a comprehensive Users Handbook for its members and for more detailed information on any of these topics, the visitor should contact one of the member companies.

*Note: The information contained in these web documents is for guidance only and is given in good faith. It is deemed to be correct at time of posting.

Technical Articles for Download

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The UKWF have recently produced guidance notes on manufacturers and importers responsibilities under market surveillance.

This is a responsibility of all people manufacturing and importing instruments into the UK and it is hoped that these documents will be of use in helping comply with these legal requirements.

If you complete the check sheet for the instruments that will be covered by the market surveillance obligations, you will be going some way to demonstrating that you are taking the responsible stance to these obligations.

If you have any questions please do not hesitate to contact Ian Turner on 07581 499244, or by email at .

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Members will be aware that there has recently been an upsurge in the number of people wishing to sell gold and jewellery and consequently an upsurge in the number of jewellers and other organisations offering to buy.
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In general, in-house calibration of test weights can be an acceptable solution providing it is in accordance with the quality system of a company and fully traceable weights are used.
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Notes for Management Systems Auditors on the Calibration of Non-Automatic Weighing Instruments
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Summary of the Waste Battery Regulations
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The final report from the LACORS medical project was produced earlier this year.  Unfortunately, this has not really produced the actions we may have expected. Please find attached some updated notes for guidance for members to use with customers that use medical scales and we will be lobbying LACORS and the Department of Health to issue similar guidance to the NHS trusts.

There is the original set of guidance notes which was produced in 2002 if you require a copy of the report contact Denise McGregor on 0121 237 1130


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This article covers the testing, calibration and maintenance of the equipment and the organisation that carries out the work. Calibration of a weighing instrument is a complex business, requiring consistency of approach, traceability of standards, training of personnel, knowledge of the equipment and keeping of clear and relevant records.

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Metrication in the UK

Despite the misguided efforts of the media and a few 'libraphiles', the UK has become metricated, except for certain well known exceptions. (The pint is still legal for dispensing draught beer and cider. It can also be used for selling pre-packed milk in returnable containers - bottles to you and me. And of course the mile has survived at least for the time being.) These guidance notes explain the law and how metrication really applies to us.

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The Law for Packers

The Weights and Measures (Packaged Goods) Regulations 2006 (SI 2006 No 659) contains the requirements that packers have to meet.

The regulations cover the making up and marking of packages. These guidance notes explain the regulations and best practice.

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Guidance notes originally published by NWML on when equipment needs to be re-qualified after it has been repaired, adjusted, altered or added to.

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