{
  "url": "https://openlegislation.uk/measuring-instruments-eec-requirements-regulations-1988-revoked/schedule-4",
  "json_url": "https://openlegislation.uk/measuring-instruments-eec-requirements-regulations-1988-revoked/schedule-4.json",
  "legislation": "uksi/1988/186",
  "legislation_title": "The Measuring Instruments (EEC Requirements) Regulations 1988 (revoked)",
  "legislation_url": "https://openlegislation.uk/measuring-instruments-eec-requirements-regulations-1988-revoked",
  "path": "schedule/4",
  "kind": "schedule",
  "number": "4",
  "heading": "RELEVANT LIMITS OF ERROR FOR INSTRUMENTS IN SERVICE",
  "text": "The maximum permissible errors for instruments in service of a category to which a Directive mentioned in the first column of the following Table applies shall be the errors prescribed in relation to that Directive in the second column of the Table.\nDirective\nMaximum permissible errors in service\nThe Directive on medium accuracy bar weights and cylindrical weights.\nThe maximum permissible errors in excess set out in the tables in item 7 of Annex I and item 7 of Annex III to the Directive shall be the maximum permissible errors both in excess and in deficiency in the case of instruments in service.\nThe Directive on meters for liquids other than water.\nThe maximum permissible errors in deficiency for an instrument in service shall be the amounts determined in accordance with items 1, 2 and 3 of Chapter II of the Annex to the Directive and applicable both in excess and in deficiency on initial verification, and the maximum permissible errors in excess for an instrument in service shall be twice those amounts.\nThe Directive on the measuring of the standard mass per storage volume of grain.\nThe maximum permissible errors in service shall be the maximum permissible errors set out in the Directive.\nThe Directive on ancillary equipment for meters for liquids other than water.\nThe maximum permissible errors in service shall be those laid down by any one or more of the following provisions of the Annex to the Directive, that is to say–\n(a)item 4.9 of Chapter IV;\n(b)items 5.10, 5.13.1 and 5.13.2 of Chapter V; and\n(c)item 6.7 of Chapter VI\nwhich is applicable in the circumstances of the case.\nThe Directive on above-medium accuracy weights.\nThe maximum permissible errors in excess for class F2 and M1 weights in service shall be the maximum permissible errors set out in the table in item 4.1 of the Annex to the Directive and applicable both in excess and in deficiency on initial verification, and the maximum permissible errors in deficiency for weights of those classes in service shall be twice the maximum permissible errors in excess.\nThe Directive on cold-water meters.\nThe maximum permissible errors, both in excess and in deficiency, shall be:\n(a)6 per cent., where the flowrate is between the minimum flowrate and the transitional flowrate; and\n(b)2.5 per cent., where the flowrate is between the transitional flowrate and maximum flowrate.\nIn this paragraph “minimum flowrate”, “transitional flowrate” and “maximum flowrate” have the same meanings as they have in the Directive on cold-water meters.\nThe Directive on measuring systems for liquids other than water.\nThe maximum permissible errors in deficiency for a system in service shall be the amounts determined in accordance with items 1, 2 and 3 of Chapter II of the Annex to the Directive on meters for liquids other than water and applicable both in excess and in deficiency on initial verification, and the maximum permissible errors in excess for a system in service shall be twice those amounts.\nThe Directive on hot-water meters.\nThe maximum permissible errors in service shall be twice the maximum permissible errors set out in the Directive, both in excess and in deficiency.\nThe Directive on tyre pressure gauges for motor vehicles.\nThe maximum permissible errors, both in excess and in deficiency, shall be:\n(a)100 mbar, where the upper limit of the scale does not exceed 4 bar; or\n(b)200 mbar, where the upper limit of the scale exceeds 4 bar.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Regulations revoked with savings (1.12.2015) by The Weights and Measures (Revocations) Regulations 2015 (S.I. 2015/356), reg. 1(2)(b), Sch. Pt. 2 para. 3 (with Sch. Pt. 2 para. 5 (as amended on IP completion day by S.I. 2019/696, reg. 1, Sch. 17 para. 1(3)))"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 4 in force at 14.3.1988, see reg. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1988/186/schedule/4",
    "retrieved_at": "2026-10-29T16:12:17.437867+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."
}