Time constant

{
  "id": "MLC-T-MET-009677",
  "term": "Time constant",
  "field": "Meteorology and atmospheric science",
  "definition": "A measure of the responsiveness of a meteorological instrument or system to a sudden change in the measured variable. It represents the time required for the instrument's output to reach approximately 63.2% of its final steady-state value after a step change in input. A smaller time constant indicates a faster response.",
  "synonyms": [
    "lag coefficient"
  ],
  "url": "https://mlchart.com/terminology/meteorology/time-constant/"
}