R49 — Water meters for cold potable water

{
  "certificate": {},
  "issuing_authority": {},
  "applicants": {},
  "manufacturers": {},
  "certified_type": {
    "category": "",
    "type_designations": [],
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    "description": null
  },
  "characteristics": {
    "type_level": {
      "accuracy_class": {},
      "temperature_class": {},
      "water_pressure_class": {},
      "pressure_loss_class": {},
      "flow_profile_sensitivity_class": {},
      "maximum_admissible_temperature": {},
      "maximum_admissible_pressure": {},
      "orientation_limitation": {},
      "orientation": {},
      "mounting": {},
      "reverse_flow": {},
      "resolution_of_indicating_device": {},
      "resolution_of_the_indicating_device": {},
      "indicating_range": {},
      "measuring_principle": {},
      "flow_conditioner": {},
      "minimum_straight_length_inlet_pipe": {},
      "minimum_straight_length_outlet_pipe": {},
      "minimum_straight_length_of_inlet_pipe": {},
      "minimum_straight_length_of_outlet_pipe": {},
      "data_output_options": {},
      "mechanical_environment_class": {},
      "temperature_range": {},
      "electromagnetic_environment_class": {},
      "software_identification": {}
    },
    "model_level": [],
    "config_level": []
  },
  "recommendation": {
    "id": "R49",
    "edition": null,
    "amendment": null,
    "scheme": "",
    "accuracy_classes": []
  },
  "test_reports": {},
  "evaluation_report": {},
  "revision_history": {},
  "model_family": {},
  "components": [],
  "footnotes": {},
  "matrix_tables": [],
  "d011_tests_applicable": []
}