{
  "url": "https://openlegislation.uk/eu-regulation-2017-2400/annex-V/division-3/division-3.5",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-2400/annex-V/division-3/division-3.5.json",
  "legislation": "eur/2017/2400",
  "legislation_title": "Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-2400",
  "path": "annex/V/division/3/division/3.5",
  "kind": "division",
  "number": "3.5",
  "heading": "Measurement equipment specifications",
  "text": "The measurement equipment shall meet the requirements of paragraph 9 of Annex 4 to UN/ECE Regulation 49 Rev.06.\nNotwithstanding the requirements defined in paragraph 9 of Annex 4 to UN/ECE Regulation 49 Rev.06, the measurement systems listed in Table 2 shall meet the limits defined in Table 2.\nTable 2\nRequirements of measurement systems\n‘Accuracy’ means the deviation of the analyzer reading from a reference value which is traceable to a national or international standard.\n‘Rise time’ means the difference in time between the 10 percent and 90 percent response of the final analyzer reading (t90 – t10).\nThe ‘max calibration’ values shall be 1,1 times the maximum predicted value expected during all testruns for the respective measurement system.\nLinearity\nMeasurement system\nIntercept| xmin × (a1 – 1) + a0 |\nSlopea1\nStandard error of estimate SEE\nCoefficient of determinationr2\nAccuracy\nRise time\nEngine speed\n≤ 0,2 % max calibration\n0,999 - 1,001\n≤ 0,1 % max calibration\n≥ 0,9985\n0,2 % of reading or 0,1 % of max. calibration of speed whichever is larger\n≤ 1 s\nEngine torque\n≤ 0,5 % max calibration\n0,995 - 1,005\n≤ 0,5 % max calibration\n≥ 0,995\n0,6 % of reading or 0,3 % of max. calibration of torque whichever is larger\n≤ 1 s\nFuel mass flow for liquid fuels\n≤ 0,5 % max calibration\n0,995 - 1,005\n≤ 0,5 % max calibration\n≥ 0,995\n0,6 % of reading or 0,3 % of max. calibration of flow whichever is larger\n≤ 2 s\nFuel mass flow for gaseous fuels\n≤ 1 % max calibration\n0,99 - 1,01\n≤ 1 % max calibration\n≥ 0,995\n1 % of reading or 0,5 % of max. calibration of flow whichever is larger\n≤ 2 s\nElectrical Power\n≤ 1 % max calibration\n0,98 - 1,02\n≤ 2 % max calibration\n≥ 0,990\nn.a.\n≤ 1 s\nCurrent\n≤ 1 % max calibration\n0,98 - 1,02\n≤ 2 % max calibration\n≥ 0,990\nn.a.\n≤ 1 s\nVoltage\n≤ 1 % max calibration\n0,98 - 1,02\n≤ 2 % max calibration\n≥ 0,990\nn.a.\n≤ 1 s\n‘xmin’, used for calculation of the intercept value in Table 2, shall be 0,9 times the minimum predicted value expected during all testruns for the respective measurement system.\nThe signal delivery rate of the measurement systems listed in Table 2, except for the fuel mass flow measurement system, shall be at least 5 Hz (≥ 10 Hz recommended). The signal delivery rate of the fuel mass flow measurement system shall be at least 2 Hz.\nAll measurement data shall be recorded with a sample rate of at least 5 Hz (≥ 10 Hz recommended).",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "‘Accuracy’ means the deviation of the analyzer reading from a reference value which is traceable to a national or international standard."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "‘Rise time’ means the difference in time between the 10 percent and 90 percent response of the final analyzer reading (t90 – t10)."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "The ‘max calibration’ values shall be 1,1 times the maximum predicted value expected during all testruns for the respective measurement system."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/2400/annex/V/division/3/division/3.5",
    "retrieved_at": "2026-11-01T14:44:20.922900+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."
}