Methane monitor

{
  "id": "MLC-T-ENV-017107",
  "term": "Methane monitor",
  "field": "Environment",
  "term_source": "Methane Monitor",
  "definition": "A system whereby the methane content of the mine air is indicated automatically at all times, and when the content reaches a predetermined concentration the electric power is cut off automatically from each machine in the affected area. The mechanism is so devised that its setting cannot be altered. The system is used, mainly, in conjunction with the operation of continuous miners and power loaders.",
  "subject": "Environmental technologies",
  "references": [
    "IRS Coal Excise Tax - Appendix I, Glossary of Mining Terms"
  ],
  "url": "https://mlchart.com/terminology/environment/methane-monitor/"
}