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R139 — OIML R139 (Compressed gaseous fuel dispensers — CNG and hydrogen) Certificate Schema

Fuel & Flow · 3 samples
Sample 1
R139/2018-A-CZ1-24.01 Rev. 1
Rev. - · 4 type_level characteristics
Issuer
Czech Metrology Institute
Date issued
2025-05-21
Type designations
CSJQD3S, CSJQD1S
Category
CNG dispenser
Full YAML
{
  "certificate": {
    "number": "R139/2018-A-CZ1-24.01 Rev. 1",
    "scheme": "A",
    "project_number": "R139/2018-A-CZ1-24.01",
    "member_state": "Czech Republic",
    "date_issued": "2025-05-21",
    "oiml_issuer_id": "CZ1"
  },
  "issuing_authority": {
    "name": "Czech Metrology Institute",
    "address_lines": [
      "Okružní 31, 638 00 Brno, Czech Republic"
    ],
    "person_responsible": "Jan Kalandra",
    "oiml_issuer_id": "CZ1"
  },
  "applicants": [
    {
      "name": "CENSTAR SCIENCE & TECHNOLOGY CORP., LTD",
      "address_lines": [
        "No.4, Xuesong Road, Hi-New Technology Industry Development Zone, Zhengzhou City, Henan Province, China"
      ]
    }
  ],
  "manufacturers": [
    {
      "name": "CENSTAR SCIENCE & TECHNOLOGY CORP., LTD",
      "address_lines": [
        "No.4, Xuesong Road, Hi-New Technology Industry Development Zone, Zhengzhou City, Henan Province, China"
      ]
    }
  ],
  "certified_type": {
    "category": "CNG dispenser",
    "type_designations": [
      "CSJQD3S",
      "CSJQD1S"
    ],
    "module_designation": "N/A",
    "description": "The CNG dispensers type CSJQD1S, CSJQD3S are designed to measure, memorise and display the mass of compressed natural gas (CNG) passing through the measurement transducer."
  },
  "characteristics": {
    "type_level": {
      "types_of_gas_or_mixtures_of_gas": {
        "value": "Compressed natural gas"
      },
      "environmental_classification": {
        "value": "M1"
      },
      "software_identification": {
        "value": {
          "calculating_device_cng200": "Main-V200",
          "keyboard": "CNG01-V2.00.1",
          "measurement_transducer": "3.52/3C4A"
        }
      },
      "accuracy_class": {
        "value": "1.5"
      }
    },
    "model_level": [
      {
        "attribute": "minimum_measured_quantity",
        "unit_symbol": "kg",
        "values": [
          {
            "model": "CSJQD1S",
            "value": 2
          },
          {
            "model": "CSJQD3S",
            "value": 2
          }
        ],
        "unit_id": "u:kilogram"
      },
      {
        "attribute": "flow_rate_range",
        "unit_symbol": "kg/min",
        "values": [
          {
            "model": "CSJQD1S",
            "value": {
              "min": 1.3,
              "max": 77
            }
          },
          {
            "model": "CSJQD3S",
            "value": {
              "min": 1.3,
              "max": 77
            }
          }
        ],
        "unit_id": "u:kilogram_per_minute"
      },
      {
        "attribute": "maximum_pressure_of_the_gas_pmax",
        "unit_symbol": "MPa",
        "values": [
          {
            "model": "CSJQD1S",
            "value": 25
          },
          {
            "model": "CSJQD3S",
            "value": 25
          }
        ],
        "unit_id": "u:pascal"
      },
      {
        "attribute": "maximum_storage_pressure_pst",
        "unit_symbol": "MPa",
        "values": [
          {
            "model": "CSJQD1S",
            "value": 27
          },
          {
            "model": "CSJQD3S",
            "value": 27
          }
        ],
        "unit_id": "u:pascal"
      },
      {
        "attribute": "maximum_fast_fill_pressure_pv",
        "unit_symbol": "MPa",
        "values": [
          {
            "model": "CSJQD1S",
            "value": 20
          },
          {
            "model": "CSJQD3S",
            "value": 20
          }
        ],
        "unit_id": "u:pascal"
      },
      {
        "attribute": "temperature_range_of_the_gas",
        "unit_symbol": "°C",
        "values": [
          {
            "model": "CSJQD1S",
            "value": {
              "min": -25,
              "max": 55
            }
          },
          {
            "model": "CSJQD3S",
            "value": {
              "min": -25,
              "max": 55
            }
          }
        ],
        "unit_id": "u:degree_Celsius"
      },
      {
        "attribute": "temperature_range",
        "unit_symbol": "°C",
        "values": [
          {
            "model": "CSJQD1S",
            "value": {
              "min": -25,
              "max": 55
            }
          },
          {
            "model": "CSJQD3S",
            "value": {
              "min": -25,
              "max": 55
            }
          }
        ],
        "unit_id": "u:degree_Celsius"
      },
      {
        "attribute": "electrical_power_supply",
        "unit_symbol": "V",
        "values": [
          {
            "model": "CSJQD1S",
            "value": 230
          },
          {
            "model": "CSJQD3S",
            "value": 230
          }
        ],
        "unit_id": "u:volt"
      }
    ],
    "config_level": []
  },
  "recommendation": {
    "id": "R139",
    "edition": 2018,
    "scheme": "A",
    "accuracy_classes": [
      "1.5"
    ]
  },
  "test_reports": [
    {
      "id": "0511-ER-F119-23",
      "date": "2024-07-22",
      "pages": 20,
      "role": "type_evaluation_report"
    },
    {
      "id": "6015-PT-P5004-24",
      "date": "2024-07-23",
      "pages": 16,
      "role": "test_report"
    },
    {
      "id": "0511-ER-F010-25",
      "date": "2025-05-19",
      "pages": 20,
      "role": "type_evaluation_report"
    },
    {
      "id": "6015-PT-P0026-25",
      "date": "2025-05-19",
      "pages": 13,
      "role": "test_report"
    }
  ],
  "revision_history": [
    {
      "revision": "-",
      "date": "2024-08-29",
      "changes": "Issuing certificate"
    },
    {
      "revision": "1",
      "date": "2025-05-21",
      "changes": "New motherboard layout CNG200"
    }
  ],
  "model_family": {
    "family_name": null,
    "models": [
      {
        "model_id": "CSJQD1S",
        "label": "CSJQD1S: 2 filling nozzles, 1 bank"
      },
      {
        "model_id": "CSJQD3S",
        "label": "CSJQD3S: 2 filling nozzles, 3 banks"
      }
    ]
  },
  "components": [
    {
      "role": "Calculating / indicating device",
      "type_designations": [
        "Censtar Science & Technology Corp."
      ],
      "characteristics": {}
    },
    {
      "role": "Motherboard of keyboard",
      "type_designations": [],
      "characteristics": {}
    },
    {
      "role": "Motherboard of calculating device",
      "type_designations": [
        "CNG200"
      ],
      "characteristics": {}
    },
    {
      "role": "Measurement transducer",
      "type_designations": [
        "Micro Motion CNG050"
      ],
      "characteristics": {}
    }
  ],
  "_traceability": {
    "raw_labels": {
      "software_identification": "identification_of_software"
    }
  }
}
Sample 2
R139/2018-B-DK2-20.01 Rev. 1
Rev. 0 · 10 type_level characteristics
Issuer
FORCE Certification A/S
Date issued
2022-01-20
Type designations
MM-001
Category
Metering module
Full YAML
{
  "certificate": {
    "number": "R139/2018-B-DK2-20.01 Rev. 1",
    "scheme": "B",
    "project_number": "DK2-20.01",
    "page_total": 1,
    "member_state": "Denmark",
    "date_issued": "2022-01-20",
    "oiml_issuer_id": "DK2"
  },
  "issuing_authority": {
    "name": "FORCE Certification A/S",
    "address_lines": [
      "Park Allé 345, 2605 Brøndby Denmark"
    ],
    "person_responsible": "Kurt Rasmussen",
    "oiml_issuer_id": "DK2"
  },
  "applicants": [
    {
      "name": "NEL Hydrogen A/S",
      "address_lines": [
        "Vejlevej 5, 7400 Herning Denmark"
      ]
    }
  ],
  "manufacturers": [
    {
      "name": "NEL Hydrogen A/S",
      "address_lines": [
        "Vejlevej 5, 7400 Herning Denmark"
      ]
    }
  ],
  "certified_type": {
    "category": "Metering module",
    "type_designations": [
      "MM-001"
    ],
    "module_designation": "Metering module to be used in a NEL 70 MPa hydrogen refuelling dispenser for light duty vehicles."
  },
  "characteristics": {
    "type_level": {
      "type": {
        "value": "MM-001"
      },
      "type_of_gas": {
        "value": "Hydrogen"
      },
      "accuracy_class": {
        "value": "2"
      },
      "nominal_maximum_capacity": {
        "value": 3.6,
        "unit_symbol": "kg/min",
        "unit_id": "u:kilogram_per_minute"
      },
      "nominal_minimum_capacity": {
        "value": 0.133,
        "unit_symbol": "kg/min",
        "unit_id": "u:kilogram_per_minute"
      },
      "minimum_measured_quantity": {
        "value": 1,
        "unit_symbol": "kg",
        "unit_id": "u:kilogram"
      },
      "maximum_pressure": {
        "value": 87.5,
        "unit_symbol": "MPa",
        "unit_id": "u:pascal"
      },
      "gas_temperature": {
        "value": {
          "min": -40,
          "max": 0
        },
        "unit_symbol": "°C",
        "unit_id": "u:degree_Celsius"
      },
      "temperature_range": {
        "value": {
          "min": -25,
          "max": 55
        },
        "unit_symbol": "°C",
        "unit_id": "u:degree_Celsius"
      },
      "environmental_class": {
        "value": "M1"
      }
    },
    "model_level": [],
    "config_level": []
  },
  "recommendation": {
    "id": "R139",
    "edition": 2018,
    "scheme": "B",
    "accuracy_classes": [
      "2"
    ]
  },
  "test_reports": [
    {
      "id": "120-24446-1",
      "date": "N/A",
      "pages": 1,
      "role": "type_evaluation_report"
    },
    {
      "id": "120-25720-1",
      "date": "N/A",
      "pages": 1,
      "role": "type_evaluation_report"
    },
    {
      "id": "120-29653-1",
      "date": "N/A",
      "pages": 1,
      "role": "type_evaluation_report"
    }
  ],
  "revision_history": [
    {
      "revision": "0",
      "date": "2020-12-07",
      "changes": "Original certificate"
    },
    {
      "revision": "1",
      "date": "2022-01-20",
      "changes": "Transmitter UMC4 added."
    }
  ],
  "components": [
    {
      "role": "Flow sensor",
      "type_designations": [
        "TMU-W004"
      ],
      "characteristics": {
        "maximum_capacity": {
          "value": 4,
          "unit_symbol": "kg/min",
          "unit_id": "u:kilogram_per_minute"
        },
        "minimum_capacity": {
          "value": 0.133,
          "unit_symbol": "kg/min",
          "unit_id": "u:kilogram_per_minute"
        },
        "temperature_range": {
          "value": {
            "min": -40,
            "max": 55
          },
          "unit_symbol": "°C",
          "unit_id": "u:degree_Celsius"
        },
        "gas_temperature": {
          "value": {
            "min": -40,
            "max": 0
          },
          "unit_symbol": "°C",
          "unit_id": "u:degree_Celsius"
        }
      }
    },
    {
      "role": "Flow transmitter",
      "type_designations": [
        "UMC4-RM",
        "UMC4"
      ],
      "alternatives": "OR",
      "characteristics": {
        "environmental_class": {
          "value": "M2"
        },
        "temperature_range": {
          "value": {
            "min": -40,
            "max": 55
          },
          "unit_symbol": "°C",
          "unit_id": "u:degree_Celsius"
        },
        "software_identification": {
          "value": "5.241"
        },
        "crc_checksum": {
          "value": "D2D5"
        }
      }
    },
    {
      "role": "Calculating/indicating device",
      "type_designations": [
        "SK700-2"
      ],
      "characteristics": {
        "environmental_class": {
          "value": "M2"
        },
        "temperature_range": {
          "value": {
            "min": -25,
            "max": 55
          },
          "unit_symbol": "°C",
          "unit_id": "u:degree_Celsius"
        },
        "crc_checksum": {
          "value": "F7E9"
        },
        "minimum_increment": {
          "value": 0.001,
          "unit_symbol": "kg",
          "unit_id": "u:kilogram"
        }
      }
    },
    {
      "role": "Other essential components",
      "type_designations": [
        "Piping",
        "valves",
        "pressure control valve",
        "breakaway valve",
        "safety valve",
        "hose",
        "nozzle"
      ],
      "characteristics": {}
    }
  ],
  "_traceability": {
    "raw_labels": {
      "temperature_range": "ambient_temperature"
    }
  }
}
Sample 3
R139/2018-B-DK2-2020.01 revision 2
Rev. 0 · 9 type_level characteristics
Issuer
FORCE Certification A/S
Date issued
2022-09-28
Type designations
MM-001
Category
Metering module
Full YAML
{
  "certificate": {
    "number": "R139/2018-B-DK2-2020.01 revision 2",
    "scheme": "B",
    "project_number": "R139/2018-B-DK2-2020.01",
    "member_state": "Denmark",
    "date_issued": "2022-09-28",
    "oiml_issuer_id": "DK2"
  },
  "issuing_authority": {
    "name": "FORCE Certification A/S",
    "address_lines": [
      "Park Allé 345, 2605 Brøndby Denmark"
    ],
    "person_responsible": "Niels Ovesen",
    "person_title": "Inspector",
    "phone": "N/A",
    "email": "lrp@force.dk",
    "website": "N/A",
    "oiml_issuer_id": "DK2"
  },
  "applicants": [
    {
      "name": "NEL Hydrogen A/S",
      "address_lines": [
        "Vejlevej 5, 7400 Herning Denmark"
      ]
    }
  ],
  "manufacturers": [
    {
      "name": "NEL Hydrogen A/S",
      "address_lines": [
        "Vejlevej 5, 7400 Herning Denmark"
      ]
    }
  ],
  "certified_type": {
    "category": "Metering module",
    "type_designations": [
      "MM-001"
    ],
    "module_designation": "Metering module to be used in a NEL hydrogen refuelling dispenser up to 70 MPa."
  },
  "characteristics": {
    "type_level": {
      "type_of_gas_to_be_measured": {
        "value": "Hydrogen"
      },
      "accuracy_class": {
        "value": "2"
      },
      "nominal_maximum_capacity_qmax": {
        "value": 3.6,
        "unit_symbol": "kg/min",
        "unit_id": "u:kilogram_per_minute"
      },
      "nominal_minimum_capacity_qmin": {
        "value": 0.133,
        "unit_symbol": "kg/min",
        "unit_id": "u:kilogram_per_minute"
      },
      "minimum_measured_quantity_mmq": {
        "value": 1,
        "unit_symbol": "kg",
        "unit_id": "u:kilogram"
      },
      "maximum_pressure_of_the_gas_pmax": {
        "value": 87.5,
        "unit_symbol": "MPa",
        "unit_id": "u:pascal"
      },
      "gas_temperature": {
        "value": {
          "min": -40,
          "max": 0
        },
        "unit_symbol": "°C",
        "unit_id": "u:degree_Celsius"
      },
      "temperature_range": {
        "value": {
          "min": -25,
          "max": 55
        },
        "unit_symbol": "°C",
        "unit_id": "u:degree_Celsius"
      },
      "environmental_class": {
        "value": "M1"
      }
    },
    "model_level": [],
    "config_level": []
  },
  "recommendation": {
    "id": "R139",
    "edition": 2018,
    "scheme": "B",
    "accuracy_classes": [
      "2"
    ]
  },
  "test_reports": [],
  "revision_history": [
    {
      "revision": "0",
      "date": "2020-12-07",
      "changes": "Original certificate"
    },
    {
      "revision": "1",
      "date": "2022-01-20",
      "changes": "Transmitter UMC4 added"
    },
    {
      "revision": "2",
      "date": "2022-09-20",
      "changes": "New revision of calculator and indicating device SK700-2 added"
    }
  ],
  "components": [
    {
      "role": "Flow sensor",
      "type_designations": [
        "TMU-W004"
      ],
      "characteristics": {
        "maximum_capacity_qmax": {
          "value": 4,
          "unit_symbol": "kg/min",
          "unit_id": "u:kilogram_per_minute"
        },
        "minimum_capacity_qmin": {
          "value": 0.133,
          "unit_symbol": "kg/min",
          "unit_id": "u:kilogram_per_minute"
        },
        "environmental_class": {
          "value": "M2"
        },
        "temperature_range": {
          "value": {
            "min": -40,
            "max": 55
          },
          "unit_symbol": "°C",
          "unit_id": "u:degree_Celsius"
        },
        "gas_temperature": {
          "value": {
            "min": -40,
            "max": 0
          },
          "unit_symbol": "°C",
          "unit_id": "u:degree_Celsius"
        }
      }
    },
    {
      "role": "Flow transmitter",
      "type_designations": [
        "UMC4-RM",
        "UMC4"
      ],
      "alternatives": "OR",
      "characteristics": {
        "environmental_class": {
          "value": "M2"
        },
        "temperature_range": {
          "value": {
            "min": -40,
            "max": 55
          },
          "unit_symbol": "°C",
          "unit_id": "u:degree_Celsius"
        },
        "software_identification": {
          "value": "5.241"
        },
        "crc_checksum": {
          "value": "D2D5"
        }
      }
    },
    {
      "role": "Calculating/indicating device",
      "type_designations": [],
      "characteristics": {
        "software_identification": {
          "value": "5.241"
        },
        "crc_checksum": {
          "value": "D2D5"
        }
      }
    },
    {
      "role": "Piping, valves, pressure control valve, breakaway valve, safety valve, hose and nozzle",
      "type_designations": [],
      "characteristics": {}
    }
  ],
  "_traceability": {
    "raw_labels": {
      "temperature_range": "ambient_temperature"
    }
  }
}