Aneroid barometer

{
  "id": "MLC-T-CHM-000583",
  "term": "Aneroid barometer",
  "field": "Chemistry",
  "definition": "A device used to measure atmospheric pressure without the use of a liquid, unlike a mercury barometer. It consists of a sealed, evacuated metal capsule that expands or contracts with changes in external air pressure. These movements are mechanically amplified and displayed on a dial, providing a direct reading of pressure.",
  "subject": "Chemistry and the Environment",
  "see_also": [
    "monitoring"
  ],
  "references": [
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2175 (https://doi.org/10.1351/pac199062112167)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/aneroid-barometer/"
}