FL500-H2 UV/IR Flame Detector

The performance of the FL500-H2 UV/IR Flame Detector has been approved by Factory Mutual (FM) for hydrogen fires. Every two minutes, the integrated self-check function with continuous optical path monitoring performs an optical and electrical check to ensure that the optical path is clear and that the electronic circuits are working properly.

Main mechanical/electrical characteristics:

• Power supply: 20-30 Vdc
• Housing: 316 stainless steel
• Communication interfaces: 4–20 mA output signal, relay (pre-alarm, alarm, and fault), HART 7 communication, and Modbus communication port
• Spectrum: 2–95 microns (IR) and 185 to 260 nm (UV)
• Response time ≤3 sec
• Maximum field of view: 130° conical
• Fuels: hydrogen
• Certifications: CSA, FM, ATEX, IECEx, Inmetro, CE
• SIL 3 compatibility
• Stainless steel mounting bracket
• Cable entry: 2 × 3/4” NPT or 2 x M25
• Classification:
  • Class I, Division 1, Groups B, C, D
  • Class II, Div. 1, Groups E, F, G
  • Class III, Type 6P Ex db IIC T5 Gb
  • Ex tb IIIC T100 °C Db II 2 G D
• Protection rating: IP66/67