Price meter

{
  "id": "MLC-T-MET-008143",
  "term": "Price meter",
  "field": "Meteorology and atmospheric science",
  "definition": "A mechanical current meter used to measure the speed of water flow in rivers and streams, consisting of a series of conical cups mounted on a vertical axis that rotate when exposed to moving water. The rotation rate is proportional to the water velocity, which is then recorded by a counter. This instrument is commonly used in hydrological studies to determine discharge rates.",
  "url": "https://mlchart.com/terminology/meteorology/price-meter/"
}