Pyranograph

{
  "id": "MLC-T-MET-008218",
  "term": "Pyranograph",
  "field": "Meteorology and atmospheric science",
  "definition": "A self-recording instrument designed to measure and record the intensity of global solar radiation, which includes both direct and diffuse components. It consists of a bimetallic strip or thermopile sensor that responds to solar radiation, connected to a mechanical linkage that drives a pen across a rotating chart drum. These devices provide a continuous graphical record of solar irradiance over a period, often 24 hours or a week.",
  "synonyms": [
    "solarigraph"
  ],
  "url": "https://mlchart.com/terminology/meteorology/pyranograph/"
}