{
  "url": "https://openlegislation.uk/weights-and-measures-local-and-working-standard-capacity-measures-and-testing-equipment-regulations-1987/regulation-5",
  "json_url": "https://openlegislation.uk/weights-and-measures-local-and-working-standard-capacity-measures-and-testing-equipment-regulations-1987/regulation-5.json",
  "legislation": "uksi/1987/51",
  "legislation_title": "The Weights and Measures (Local and Working Standard Capacity Measures and Testing Equipment) Regulations 1987",
  "legislation_url": "https://openlegislation.uk/weights-and-measures-local-and-working-standard-capacity-measures-and-testing-equipment-regulations-1987",
  "path": "regulation/5",
  "kind": "regulation",
  "number": "5",
  "heading": "Reference meters",
  "text": "(1) Reference meters shall be tested either—\n(a) by means of a local or working standard capacity measure which is of sufficient size to hold at least one minute’s delivery of the meter under test; or\n(b) by means of a weighing machine which can weigh at least one minute’s delivery of the meter under test.\n(2) The capacity measure or the weighing machine used to test a reference meter shall have a discrimination threshold of not less than 0.01 per cent. of the quantity delivered by the meter under test.\nIn a test under paragraph (1)(b) above, the density of the test liquid shall be determined to an accuracy of 0.01 per cent.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1987/51/regulation/5",
    "retrieved_at": "2026-10-29T16:34:04.518670+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}