{
    "_meta": {
        "supplier": "GVA",
        "type": "Tube",
        "model": "ELASTOX-R",
        "membraneArea_m2_per_element": 0.18,
        "membraneArea_m2_per_element_source": "placeholder — mirror of Jäger JetFlex TD-65-2-G EPDM 1000 mm (0.18 m²) until a real GVA ELASTOX-R sheet is supplied. Change here when the real value is known; specificClass reads it from this _meta field.",
        "stdAir": { "temp_C": 0, "pressure_mbar": 1013.25, "RH_pct": 0 },
        "coverageBasis": "bottom-coverage-pct",
        "coverageReference": null,
        "dataQuality": "point",
        "xAxisBasis": "per-m2-membrane-Nm3h",
        "yAxisBasis": "ssotr-g-per-Nm3-per-m",
        "waterDepth_m": null,
        "note": "Migrated 2026-05-12 from nodes/diffuser/src/specificClass.js _loadSpecs(); the legacy '2.4 elements/m²' tag was a prior mis-conversion of the % bottom-coverage convention. Single-coverage point estimate (key '0' = unspecified). Native data was per-element Nm³/h; converted to per-m²-membrane Nm³/(h·m²) by dividing by the placeholder 0.18 m² element area — those numbers will shift the moment we get a real GVA sheet."
    },
    "otr_curve": {
        "0": {
            "x": [11.11, 16.67, 22.22, 27.78, 33.33, 38.89, 44.44, 50.00, 55.56],
            "y": [26, 25, 24, 23.5, 23, 22.75, 22.5, 22.25, 22]
        }
    },
    "p_curve": {
        "0": {
            "x": [11.11, 16.67, 22.22, 27.78, 33.33, 38.89, 44.44, 50.00, 55.56, 61.11, 66.67],
            "y": [40, 42.5, 45, 47.5, 50, 51.5, 53, 54.5, 56, 57.5, 59]
        }
    }
}