Instrument Instance

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{
    "ob_id": 11885,
    "uuid": "c80d904893f149b78433846617adf569",
    "title": "FAAM/BAE systems: Hygrometer (Buck CR2)",
    "abstract": "FAAM non-core instrument measuring dew point or frost point by a chilled mirror hygrometer.\r\n\r\nThe Buck CR2 is a chilled mirror hygrometer for use in cloud-free air - it optically monitors the temperature of a mirror when liquid water or ice begins to condense. Air is drawn through the instrument through an aft facing inlet, located 1.8 m aft of the nose, outside the 99% free-stream boundary layer. \r\n\r\nThe data frequency is measured in 1Hz and be found in this frequency in both the 32Hz and 1Hz data files. \r\n\r\nParameters in the data files are: VMR_CR2 (Water vapour volume mixing ratio measured by the Buck CR2, ppmv),VMR_C_U(Uncertainty estimate for water vapour volume mixing ratio measured by the Buck CR2,ppmv),TDEW_CR2(Mirror Temperature measured by the Buck CR2 Hygrometer, K),TDEW_C_U(Uncertainty estimate for Buck CR2 Mirror Temperature, K)",
    "keywords": "",
    "identifier_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7969/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/identifiers/7970/?format=api"
    ],
    "instrumentType": "met_sensor",
    "subInstrument": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/45781/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/45780/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/140988/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/140989/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/78277/?format=api"
    ]
}