Flammable Atmosphere / LEL Monitoring - Training Guide
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MINIMUM RESOLUTION: 980 x 600 px
RECOMMENDED: 1920 x 1080 (16:9) or larger

SIMULATOR OVERVIEW
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Flammable atmosphere and LEL monitoring simulator covering catalytic/IR detector operation, alarm response, and confined space entry per IEC 60079 and NFPA 497.

Standards: IEC 60079 · NFPA 497/499 · OSHA 1910.146

INTERFACE LAYOUT
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- LEFT PANEL: System controls (Start/Stop/ESD/Reset, Mode toggle)
- CENTER: P&ID schematic with real-time process visualization
- RIGHT PANEL: System gauges, operational checklist, alarm list

OPERATING PROCEDURES
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  Step 1: Zero calibrate detector
  Step 2: Span calibrate with test gas
  Step 3: Verify detector responds within 30s
  Step 4: Take initial atmospheric reading
  Step 5: Record LEL O2 H2S CO levels
  Step 6: Continuous monitoring active
  Step 7: Verify ventilation adequate
  Step 8: Issue work permit

SCENARIOS
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  Routine LEL Monitoring:
  Perform routine atmospheric monitoring — verify zero and span calibration.

  Confined Space Entry:
  Establish continuous LEL monitoring for confined space entry.

  Gas Leak Response:
  Detect rising LEL levels, trace leak source, execute emergency ventilation.

ALARM RESPONSE
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  LEL_HIGH [ALARM]: LEL exceeds 25% — evacuate area
  LEL_WARN [WARNING]: LEL exceeds 10% — investigate
  O2_LOW [ALARM]: Oxygen <19.5% — do not enter
  O2_HIGH [WARNING]: Oxygen >23.5% — enrichment hazard
  SENSOR_FAULT [ALARM]: Detector sensor fault

CONTROLS
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- START: Begin process operation
- STOP: Normal shutdown
- EMERGENCY STOP: Immediate shutdown of all systems
- RESET: Clear ESD condition and reset to standby
- TOGGLE MODE: Switch between Manual and Auto control
- Fullscreen: Click the fullscreen button in header
- EXIT: Return to BlueSim portal
- HELP: Opens this training guide