R31 — OIML R31 (Diaphragm gas meters) Certificate Schema

{
  "certificate": {
    "number": "R031/1995-CN1-2009.01",
    "scheme": "A",
    "project_number": "R031/1995",
    "member_state": "China",
    "date_issued": "2009-06-18",
    "oiml_issuer_id": "CN1"
  },
  "issuing_authority": {
    "name": "Office of OIML Affairs, General Administration of Quality Supervision, Inspection and Quarantine",
    "address_lines": [
      "N0.9 Madiandonglu, Haidian District, Beijing, 100088 P.R. China"
    ],
    "person_responsible": "N/A",
    "person_title": "N/A",
    "phone": "N/A",
    "email": "N/A",
    "website": "N/A",
    "oiml_issuer_id": "CN1"
  },
  "applicants": [
    {
      "name": "ChongqingJingYi Gas Meter Co .Ltd",
      "address_lines": [
        "Tuanjie Industrial Park, Sanggongliban, Nanan District, Chongqing, 400067 P.R. China"
      ]
    }
  ],
  "certified_type": {
    "category": "Diaphragm gas meter",
    "type_designations": [
      "J2.5"
    ],
    "module_designation": null
  },
  "characteristics": {
    "type_level": {
      "accuracy_class": {
        "value": "1.5",
        "unit_symbol": "%",
        "unit_id": "u:percent"
      },
      "maximum_flow_rate": {
        "value": {
          "min": 4,
          "max": 4
        },
        "unit_symbol": "m³/h",
        "unit_id": "u:cubic_meter_per_hour"
      },
      "minimum_flow_rate": {
        "value": {
          "min": 0.025,
          "max": 0.025
        },
        "unit_symbol": "m³/h",
        "unit_id": "u:cubic_meter_per_hour"
      },
      "cyclic_volume": {
        "value": 1.2,
        "unit_symbol": "dm³",
        "unit_id": "u:liter"
      },
      "maximum_operating_pressure": {
        "value": 30,
        "unit_symbol": "kPa",
        "unit_id": "u:pascal"
      },
      "temperature_range": {
        "value": {
          "min": -20,
          "max": 50
        },
        "unit_symbol": "°C",
        "unit_id": "u:degree_Celsius"
      }
    },
    "model_level": [],
    "config_level": []
  },
  "recommendation": {
    "id": "R31",
    "edition": 1995,
    "scheme": "A",
    "accuracy_classes": [
      "1.5"
    ]
  },
  "test_reports": [
    {
      "id": "OM-06-028",
      "date": "N/A",
      "pages": 17,
      "role": "test_report"
    }
  ],
  "revision_history": [],
  "_traceability": {
    "raw_labels": {
      "temperature_range": "operating_temperature_range"
    }
  }
}

{
  "certificate": {
    "number": "R031/1995-CN1-2009.02",
    "scheme": "A",
    "page_total": 1,
    "member_state": "China",
    "date_issued": "2009-06-18",
    "oiml_issuer_id": "CN1"
  },
  "issuing_authority": {
    "name": "Office of OIML Affairs, General Administration of Quality Supervision, Inspection and Quarantine",
    "address_lines": [
      "N0.9 Madiandonglu, Haidian District, Beijing, 100088 P.R.China"
    ],
    "person_responsible": "N/A",
    "person_title": "N/A",
    "phone": "N/A",
    "email": "N/A",
    "website": "N/A",
    "oiml_issuer_id": "CN1"
  },
  "applicants": [
    {
      "name": "Beijing Jinchuang Combined Gas Meter Co., Ltd.",
      "address_lines": [
        "Room 5-7B, Huateng International, No.2, Dajiaoting Middle Street Chaoyang District, Beijing, (100124) P.R.China"
      ]
    }
  ],
  "certified_type": {
    "category": "Gas meter",
    "type_designations": [
      "CG-L-J4"
    ],
    "module_designation": "N/A",
    "description": "IC card gas meter"
  },
  "characteristics": {
    "type_level": {
      "accuracy_class": {
        "value": "1.5",
        "unit_symbol": "%",
        "unit_id": "u:percent"
      },
      "maximum_flow_rate": {
        "value": {
          "min": 6,
          "max": 6
        },
        "unit_symbol": "m³/h",
        "unit_id": "u:cubic_meter_per_hour"
      },
      "minimum_flow_rate": {
        "value": {
          "min": 0.04,
          "max": 0.04
        },
        "unit_symbol": "m³/h",
        "unit_id": "u:cubic_meter_per_hour"
      },
      "cyclic_volume": {
        "value": 1.2,
        "unit_symbol": "dm³",
        "unit_id": "u:liter"
      },
      "maximum_operating_pressure": {
        "value": 15,
        "unit_symbol": "kPa",
        "unit_id": "u:pascal"
      },
      "temperature_range": {
        "value": {
          "min": -20,
          "max": 50
        },
        "unit_symbol": "°C",
        "unit_id": "u:degree_Celsius"
      }
    },
    "model_level": [],
    "config_level": []
  },
  "recommendation": {
    "id": "R31",
    "edition": 1995,
    "scheme": "A",
    "accuracy_classes": [
      "1.5"
    ]
  },
  "test_reports": [
    {
      "id": "2008OM03",
      "date": "N/A",
      "pages": 17,
      "role": "test_report"
    }
  ],
  "revision_history": [],
  "_traceability": {
    "raw_labels": {
      "cyclic_volume": "cyclic_volume_of_a_gas_volume_meter"
    }
  }
}

{
  "certificate": {
    "number": "R031/1995-CN1-2010.01",
    "scheme": "A",
    "page_total": 1,
    "member_state": "China",
    "date_issued": "2010-11-03",
    "oiml_issuer_id": "CN1"
  },
  "issuing_authority": {
    "name": "Office of OIML Affairs, General Administration of Quality Supervision, Inspection and Quarantine",
    "address_lines": [
      "N0.9 Madiandonglu, Haidian District, Beijing, 100088 P.R. China"
    ],
    "person_responsible": "N/A",
    "person_title": "N/A",
    "phone": "N/A",
    "email": "N/A",
    "website": "N/A",
    "oiml_issuer_id": "CN1"
  },
  "applicants": [
    {
      "name": "Chongqing Shancheng Gas Equipment Co., Ltd",
      "address_lines": [
        "Shimahe, Jiangbei district, Chongqing, (400021) P.R. China"
      ]
    }
  ],
  "certified_type": {
    "category": "Diaphragm gas meter",
    "type_designations": [
      "G1.6"
    ],
    "module_designation": "N/A"
  },
  "characteristics": {
    "type_level": {
      "accuracy_class": {
        "value": "1.5",
        "unit_symbol": "%",
        "unit_id": "u:percent"
      },
      "maximum_flow_rate": {
        "value": {
          "min": 2.5,
          "max": 2.5
        },
        "unit_symbol": "m³/h",
        "unit_id": "u:cubic_meter_per_hour"
      },
      "minimum_flow_rate": {
        "value": {
          "min": 0.016,
          "max": 0.016
        },
        "unit_symbol": "m³/h",
        "unit_id": "u:cubic_meter_per_hour"
      },
      "cyclic_volume": {
        "value": 1.2,
        "unit_symbol": "dm³",
        "unit_id": "u:liter"
      },
      "maximum_operating_pressure": {
        "value": 30,
        "unit_symbol": "kPa",
        "unit_id": "u:pascal"
      },
      "temperature_range": {
        "value": {
          "min": -10,
          "max": 40
        },
        "unit_symbol": "°C",
        "unit_id": "u:degree_Celsius"
      }
    },
    "model_level": [],
    "config_level": []
  },
  "recommendation": {
    "id": "R31",
    "edition": 1995,
    "scheme": "A",
    "accuracy_classes": [
      "1.5"
    ]
  },
  "test_reports": [
    {
      "id": "OM-09-01",
      "date": "N/A",
      "pages": 14,
      "role": "type_evaluation_report"
    }
  ],
  "revision_history": [],
  "_traceability": {
    "raw_labels": {
      "temperature_range": "operating_temperature_range"
    }
  }
}