{
  "$type": "site.standard.document",
  "description": "A sensor (100) to measure a liquid (120), such as an urea solution. The sensor (100) includes a light source (132) operably coupled to a lumen (136) disposed in a liquid solution (120), the light source (132) configured to emit light and communicate the light to the lumen (136); a light detector…",
  "path": "/patents/956206",
  "publishedAt": "2015-10-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K13/04",
    "LITTELFUSE INC [US]"
  ],
  "textContent": "A sensor (100) to measure a liquid (120), such as an urea solution. The sensor (100) includes a light source (132) operably coupled to a lumen (136) disposed in a liquid solution (120), the light source (132) configured to emit light and communicate the light to the lumen (136); a light detector (134) operably coupled to the lumen (136), the light detector (134) configured to receive at least a portion of the light from the lumen (136); and a controller (140) configured to determine a concentration or quality of the liquid solution (120) based on the light emitted by the light source (132) and the portion of light received by the light detector (134).",
  "title": "UREA CONCENTRATION SENSOR"
}