Rotameter

{
  "id": "MLC-T-ENV-024535",
  "term": "Rotameter",
  "field": "Environment",
  "definition": "(RODE-uh-ME-ter) A device used to measure the flow rate of gases and liquids. The gas or liquid being measured flows vertically up a tapered, calibrated tube. Inside the tube is a small ball or bullet-shaped float (it may rotate) that rises or falls depending on the flow rate. The flow rate may be read on a scale behind or on the tube by looking at the middle of the ball or at the widest part or top of the float.",
  "subject": "Laws, regulations and executive orders",
  "references": [
    "Drinking Water Technical & Legal Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/rotameter/"
}