UV/IR Dual-Sensor High-Speed Response - 150m sec Response to Saturated Signal Solar blind 4040LB with Automatic Built-In-Test (BIT) and Manual - to assure continued reliable operation 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) - Models 40/40LB and 40/40L4B only 5-Year Warranty User Programmable via HART or RS-485 Ex approved for Zone 1 hazardous area location: ATEX – IECEx – FM/FMC – CSA 3rd party Performance Tested: EN54-10 (LPCB) - FM3260 (FM); Offshore Oil & Gas installations Onshore Oil & Gas installations and pipelines Chemical plants Petrochemicals plants Storage Tank farms Aircraft hangars Power Generation facilities Pharmaceutical Industry Printing Industry Warehouses Automotive Industry Explosives & Munitions Waste Disposal facilities Aerospace Industry Paint, Polymer and Glue processes; Spectrex 40/40L - Data Sheet Spectrex 40/40L - User Guide Spectrex 40/40L - Accessories

Multi spectrum design - for long distance detection of hydrocarbons and hydrogen flames High false alarm immunity Sensitivity selection - to ensure no zone crossover detection Automatic and Manual Built-In-Test (BIT) - to assure continued reliable operation 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) 5-Year Warranty User Programmable via HART or RS-485 Hazardous area zones: Zones 1 & 2 with IIC gas group vapours present - Zones 21 & 22 with IIIC dust type present Ex approved to: ATEX & IECEx - FM/FMC/CSA - TR CU (EAC) 3rd party performance tested: EN54-10 (VdS) - FM3260; Offshore Oil & Gas installations Onshore Oil & Gas installations and pipelines Chemical plants Petrochemicals plants Storage Tank farms Aircraft hangars Power Generation facilities Pharmaceutical Industry Printing Industry Warehouses Automotive Explosives & Munitions Waste Disposal facilities Hydrogen Fuel Cell Industry Hydrogen Vehicle Parking & Refuelling Battery Charging areas Refinery Hydrogenation Space Industry hydroxyl propellant Static fuel Cell systems; Spectrex 40/40M - Data Sheet Spectrex 40/40M - User Guide Spectrex 40/40M - Accessories

Multi Spectrum Design - for long distance detection and high false alarm immunity High Speed Response – 50m sec Sensitivity Selection - to ensure no zone crossover detection Automatic Built-In-Test (BIT) - to assure continued reliable operation 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 - Analogue output for fast detection - 0-20mA (stepped) - HART Protocol for maintenance and asset management - RS-485, Modbus Compatible High Reliability - MTBF - minimum 150,000 hours Safety Integrity Level SIL2 (TUV) 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 - TR CU (EAC) 3rd party Performance: EN54-10 (VdS) - FM3260 (FM); Offshore Oil & Gas installations Onshore Oil & Gas installations and pipelines Chemical plants Petrochemicals plants Storage Tank farms Aircraft hangars Power Generation facilities Pharmaceutical Industry Printing Industry Warehouses Automotive Industry Explosives & Munitions Waste Disposal facilities; Spectrex 40/40UFI - Data Sheet Spectrex 40/40UFI - User Guide Spectrex 40/40UFI - Accessories