Hygrograph

{
  "id": "MLC-T-MET-006369",
  "term": "Hygrograph",
  "field": "Meteorology and atmospheric science",
  "definition": "A self-recording instrument that continuously measures and records atmospheric humidity, typically relative humidity. It uses a humidity-sensitive element, such as human hair or a bimetallic strip, connected to a pen that traces a line on a rotating drum. The resulting chart is known as a hygrogram.",
  "url": "https://mlchart.com/terminology/meteorology/hygrograph/"
}