BFD4040L4-L4B

UV-IR Flame Detector Series
Maximum choice of features in a high performance package

Model 40/40L4 & L4B ( with Built-In-Test option) provides a combination of UV and IR sensors, where the IR sensor operates at a wavelength of 4.5 μm, and can detect hydrocarbon-based fuel and gas fires. The UV sensor incorporates a special logic circuit that helps prevent false alarms caused by solar radiation.

For more detailed information review the Product Tabs below.

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• UV/IR Dual-Sensor
• Solar blind
• Automatic Built-In-Test (BIT) and Manual to assure continued reliable operation (in 40/40L4B only)
• Heated window for operation in harsh weather conditions (snow, ice, condensation)
• Multiple output options for maximum flexibility and compatibility
– Relays (3) for Alarm, Fault and Auxiliary
– 0-20mA (stepped)
– HART Protocol for maintenance and asset management
– RS-485, Modbus Compatible
• High Reliability – MTBF – minimum 150,000 hours
• Approved to Safety Integrity Level 2 (SIL2 – TUV) Model 40/40L4B only
• 5-Year Warranty
• User Programmable via HART or RS-485
• Hazardous area zones:
– Zones 1 & 2 with IIC gas group vapors present
– Zones 21 & 22 with IIIC dust type present
• Ex approved to:
– ATEX & IECEx
– FM/FMC/CSA
• 3rd party Performance Approved
– EN54-10 (VdS)
– FM3260
• Marine Approval
– MED ‘Wheelmark’ approval (DNV)

4040L4-L4B