Sierra 3600-I Triple IRSierra Monitor’s 3600-I Triple IR (IR3) flame detector not only detects fuel and gas fires at long distances, but also detects a 1-square-foot (0.1-m2) gasoline pan fire at 215 feet (65 m) in less than 5 seconds. According to the company, the IR3 is additionally highlighted by:

  • A triple-spectrum design for long-distance detection and high false-alarm immunity.
  • Sensitivity selection to ensure no zone crossover detection.
  • A heated window to eliminate condensation and icing in harsh weather conditions.
  • HART capabilities for digital communications for maintenance and asset management.
  • Automatic and manual built-in testing for continuous reliable operation.
  • Multiple output options for maximum flexibility and compatibility.
  • An alarm, fault and auxiliary relay.
  • A minimum mean time between failure of 150,000 hours.
  • Lower power requirements.
  • A compact, lightweight, yet durable and weather-resistant design.
  • A 2-year warranty.