relative humidity

{
  "id": "NISTu382",
  "unitsml_id": "u:relative_humidity",
  "name": "relative humidity",
  "names": [
    {
      "value": "relative humidity",
      "lang": "en"
    },
    {
      "value": "percent relative humidity",
      "lang": "en"
    }
  ],
  "symbols": {
    "unicode": "%rh",
    "ascii": "%rh",
    "html": "%rh",
    "latex": "\\ensuremath{\\mathrm{\\%rh}}",
    "id": "rh_percent",
    "mathml": "<mi mathvariant='normal'>%rh</mi>"
  },
  "identifiers": [
    {
      "type": "nist",
      "id": "NISTu382"
    },
    {
      "type": "unitsml",
      "id": "u:relative_humidity"
    }
  ],
  "references": [
    {
      "type": "informative",
      "authority": "qudt",
      "uri": "http://qudt.org/vocab/unit/PERCENT_RH"
    }
  ],
  "short": "relative_humidity",
  "root": true,
  "composite": false,
  "quantities": [
    {
      "id": "NISTq199",
      "name": "relative humidity",
      "type": "derived"
    }
  ],
  "dimension": {
    "id": "NISTd80",
    "name": "ratio quantity",
    "expression": "1",
    "components": [],
    "dimensionless": true
  },
  "scale": {
    "id": "continuous_ratio",
    "name": "continuous ratio scale"
  },
  "systems": [
    {
      "id": "non-SI_not_acceptable",
      "name": "non-SI and not acceptable",
      "short": "nonsi-unacceptable",
      "acceptable": false
    }
  ],
  "root_units": null
}