Assmann psychrometer

{
  "id": "MLC-T-MET-003652",
  "term": "Assmann psychrometer",
  "field": "Meteorology and atmospheric science",
  "definition": "A specific type of aspiration psychrometer known for its high accuracy in measuring atmospheric humidity. It features two thermometers, one wet-bulb and one dry-bulb, housed within polished metal tubes that shield them from radiation. A clockwork or electric fan draws air at a constant rate over the thermometer bulbs, providing precise readings of wet-bulb and dry-bulb temperatures.",
  "url": "https://mlchart.com/terminology/meteorology/assmann-psychrometer/"
}