# Map of Content - Fire and Gas Detection #moc #index #fire-and-gas ## Fundamentals Core principles, physics, and chemistry underlying fire and gas detection: - [[Lower Explosive Limit - LEL]] - [[Upper Explosive Limit - UEL]] - [[Temperature Classes]] - [[Auto Ignition Temperature - AIT]] - [[Cross-Sensitivity]] - [[Dense Gas Dispersion]] - [[Neutrally Buoyant Gas]] - [[Aerosol Formation]] - [[Oxygen Deficiency]] - [[Oxygen Enrichment]] ## Detection Technologies Sensor types and detection methods: - [[Catalytic Bead Sensor]] - [[IR Absorption]] - [[Flame Detection]] - [[Open Path Detection]] - [[Electrochemical Sensor]] ## Gas Types Common gases and their properties: - [[Methane]] - [[Hydrogen Sulfide - H2S]] - [[Carbon Monoxide - CO]] ## System Components Hardware, control systems, and interfaces: - [[F&G Control Systems]] - [[Gas Detector Placement]] - [[Alarm Thresholds]] ## Standards & Regulations Codes, standards, and compliance: - [[IEC 61508]] - [[IEC 61511]] - [[ATEX]] - [[Safety Integrity Level - SIL]] - [[Hazardous Area Classification]] ## System Design & Operations Architecture, configuration, installation, and maintenance: - [[Gas Detection Calibration]] - [[Gas Detector Placement]] - [[Alarm Thresholds]] ## Index Notes - [[Index - Detection Technologies]] - [[Index - System Components]] - [[Index - Standards and Regulations]] ## Opportunities - [[F&G Safety Opportunity MOC]] - [[False Alarm Problem in F&G]] - [[Predictive Maintenance in O&G]] - [[Multi-Modal Anomaly Detection]]