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ABB SF810-LOS-IR-TL-C-W Flame Detector Probe 

1. Key Parameters

• Product Model: SF810-LOS-IR-TL-C-W
• Product Series: ABB SF800 Series Flame Detector Probes (Hazardous Area Fire Detection, IR-Based)
• Core Function: Detects open hydrocarbon flames (methane, propane, gasoline, etc.) via infrared spectral analysis; provides fast fire alarm signals to safety systems (e.g., fire suppression, emergency shutdown); resists false alarms from ambient light or non-fire heat sources; operates in explosive and harsh industrial environments
• Detection & Performance Specifications:

  Parameter	Details	Performance Metrics
  Detection Technology	- Sensing Principle: Dual-wavelength infrared (IR) detection (targets 4.3μm hydrocarbon flame emission band) - Detection Range: Up to 30m (for a 0.1m² n-heptane flame) - Field of View (FOV): 90° horizontal × 90° vertical (wide coverage) - Response Time: <3 seconds (from flame ignition to alarm output)	Dual-wavelength IR eliminates false alarms from single-band interferents (e.g., sunlight, incandescent lights); 30m range covers large industrial areas with fewer probes
  Alarm & Outputs	- Alarm Output: 2×SPDT relay outputs (1A/250V AC, fire alarm + fault signal) - Analog Output: 4-20mA (flame intensity indication, configurable) - Communication: Optional HART protocol (for remote configuration and status monitoring) - Alarm Threshold: User-adjustable (via ABB configuration software)	Relay outputs directly trigger fire suppression systems; 4-20mA signal enables real-time flame intensity tracking in SCADA systems
  False Alarm Immunity	- Rejects: Sunlight, welding arcs, incandescent lights, hot surfaces, steam, dust - Immunity Standards: Complies with EN 54-10 (false alarm resistance tests) - Filtering: Digital signal processing (DSP) for flame flicker pattern recognition	DSP-based pattern analysis distinguishes flame flicker (5-30Hz) from static heat sources, reducing false alarm rates to <0.1% per year

• Mechanical Specifications:
  • Dimensions: 180mm (L) × 85mm (W) × 65mm (H) (compact, rugged housing)
  • Mounting Type: Wall-mount or pole-mount (360° adjustable angle)
  • Housing Material: 316L stainless steel (corrosion-resistant, suitable for offshore/chemical environments)
  • Weight: Approximately 1.2kg
  • Window Material: Sapphire (scratch-resistant, IR-transparent, chemical-resistant)
• Environmental & Hazardous Ratings:
  • Operating Temperature Range: -40℃~+70℃ (-40℉~158℉)
  • Storage Temperature Range: -50℃~+85℃ (-58℉~185℉)
  • Humidity Tolerance: 0%~100% RH (including condensing conditions)
  • Ingress Protection: IP66/IP67 (dust-tight, water-resistant; withstands high-pressure water jets)
  • Hazardous Area Certification: ATEX Zone 1 (II 2G Ex d IIC T6 Ga), IECEx Zone 1 (Ex d IIC T6 Ga), UL Class I Div 1 (Groups B, C, D)
• Compliance Standards: CE, RoHS, EN 54-10 (fire detector safety), ISO 12239 (flammable gas detection), ATEX 2014/34/EU, IECEx Scheme

2. Key Features

• Dual-Wavelength IR Detection: Targets the 4.3μm spectral band (unique to hydrocarbon flames) while using a reference band to cancel interference—eliminates false alarms from sunlight, welding, or hot surfaces, ensuring reliable fire detection in busy industrial environments.
• Wide Detection Range & FOV: 30m detection range and 90°×90° FOV—covers large areas (e.g., oil refinery tanks, chemical storage yards) with fewer probes, reducing installation costs and complexity.
• Explosion-Proof 316L Stainless Steel Housing: 316L stainless steel construction with Ex d IIC T6 Ga certification—safe for use in Zone 1/Class I Div 1 hazardous areas (e.g., offshore platforms, gasoline storage facilities) where flammable gases/vapors may be present.
• Sapphire Optical Window: Scratch-resistant, chemical-resistant sapphire window—maintains IR transparency even after exposure to harsh chemicals (e.g., acids, solvents) or physical abrasion, ensuring long-term detection accuracy.
• Condensing Humidity Resistance (IP67): IP67 rating and moisture-resistant internal components—operates reliably in high-humidity or wet environments (e.g., offshore rigs, paper mills) without performance degradation from condensation.
• HART Communication (Optional): Optional HART protocol support—enables remote configuration (alarm thresholds, sensitivity) and status monitoring (flame intensity, fault codes) via HART-compatible tools, reducing on-site maintenance time.
• Fast <3-Second Response Time: Meets EN 54-10 requirements for rapid alarm triggering—ensures fire suppression systems activate quickly, minimizing fire spread and reducing damage to equipment and personnel risk.

3. Application Fields

• Oil & Gas Industry: Primary use in flammable hydrocarbon environments:
  • Refineries & Petrochemical Plants: Monitors crude oil distillation towers, gasoline storage tanks, and chemical reactors—detects early-stage hydrocarbon fires (e.g., leak-induced flash fires) and triggers emergency shutdown (ESD) systems to isolate fuel sources.
  • Offshore Drilling Rigs: Protects drilling platforms, wellheads, and process modules—explosion-proof certification (ATEX Zone 1) ensures safety in gas-rich environments, while IP67 rating withstands saltwater spray and harsh weather.
• Chemical Processing: Ensuring safety in reactive environments:
  • Chemical Manufacturing Plants: Monitors areas with flammable solvents (e.g., ethanol, acetone) or reactive chemicals—dual-wavelength IR rejects false alarms from steam or hot process equipment, ensuring reliable detection of solvent-based fires.
  • Pharmaceutical Production: Protects solvent recovery systems and drying ovens—sapphire window resists chemical cleaning agents, while compact design fits in tight equipment spaces.
• Power Generation: Safeguarding energy infrastructure:
  • Fossil Fuel Power Plants: Monitors natural gas or oil-fired boilers, turbine enclosures, and fuel storage areas—fast response time (<3s) triggers fire suppression before flames reach critical equipment (e.g., turbines), preventing costly outages.
  • Waste-to-Energy Plants: Detects fires in waste combustion chambers or fuel handling systems—resists false alarms from hot ash or incinerator heat, ensuring timely response to actual flame events.
• Storage & Logistics: Protecting flammable material stockpiles:
  • Flammable Liquid Warehouses: Monitors storage areas for gasoline, diesel, or industrial solvents—wide FOV (90°×90°) covers large warehouse bays with minimal probes, while IP66 rating withstands dust and periodic cleaning.
  • Aviation Fuel Depots: Safeguards jet fuel storage tanks and refueling stations—hazardous area certification (UL Class I Div 1) ensures safety in vapor-rich environments, while HART communication enables remote monitoring of multiple probes.
• Heavy Manufacturing: Preventing fire in high-heat processes:
  • Metalworking Facilities: Monitors welding booths, paint curing ovens, and lubricant storage—dual-wavelength IR distinguishes welding arcs (non-fire) from lubricant fires, reducing false alarms while ensuring protection against flammable oil fires.
  • Glass & Ceramic Production: Protects natural gas-fired melting furnaces—resists false alarms from furnace heat, while fast response time detects gas leaks or furnace flameouts that could lead to explosive conditions.

4. Precautions

• Hazardous Area Compatibility (Critical): Verify the detector’s hazardous certification (ATEX Zone 1/IECEx Zone 1/UL Class I Div 1) matches the application’s hazard classification—using a non-certified detector in explosive environments risks ignition and violates safety standards. Consult ABB’s hazardous area guide for compatibility.
• Installation & Calibration Safety:
  • Line-of-Sight (LOS) Requirement: Ensure unobstructed line-of-sight between the detector and monitored area—obstacles (pipes, equipment) block flame visibility, creating detection blind spots; use ABB’s FOV mapping tool to optimize mounting position.
  • Calibration Schedule: Calibrate annually using ABB’s certified test lamp (e.g., SF-CAL-IR)—uncalibrated detectors may have reduced sensitivity or increased false alarms; follow ABB’s calibration procedure to adjust alarm thresholds and verify 4-20mA output.
  • Grounding: Connect the detector’s protective earth terminal to system ground (resistance ≤1Ω)—inadequate grounding reduces ESD protection and may interfere with HART communication in hazardous areas.
• Operation & Maintenance:
  • Optical Window Cleaning: Clean the sapphire window quarterly (or monthly in dusty/chemical environments)—use a soft, lint-free cloth with mild isopropyl alcohol; avoid abrasive cleaners (scratch the window, reducing IR transparency).
  • 定期检查: Perform semi-annual inspections for:
    • Housing damage (dents, corrosion—replace if 316L stainless steel is compromised)
    • Cable integrity (check for cuts or insulation damage—replace with ABB-approved hazardous area cables)
    • Relay and 4-20mA output functionality (test with ABB configuration software)
    • Fault logs (review for recurring issues, e.g., power surges or temporary signal loss)
  • Power Supply Stability: Use a regulated 24V DC power supply (±10% tolerance) with surge protection—unstable power causes false faults or communication drops; in hazardous areas, use intrinsically safe (IS) power supplies if required.
• Environmental Limitations:
  • Temperature Extremes: Avoid operation beyond -40℃~+70℃—below -40℃, the optical window may fog; above +70℃, internal electronics overheat. Use heat tracing in cold environments or cooling jackets in high-temperature areas (e.g., near furnaces).
  • Chemical Exposure: Protect from concentrated acids or alkalis—while 316L stainless steel resists most industrial chemicals, prolonged exposure to strong acids (e.g., hydrochloric acid) causes corrosion; use chemical-resistant enclosures in extreme cases.
• Replacement & Spare Parts:
  • Genuine ABB Components: Use only genuine SF810-LOS-IR-TL-C-W probes and ABB-certified spare parts (e.g., sapphire windows, relays)—non-genuine parts lack hazardous area certification and may fail to detect fires or cause false alarms. Verify authenticity via ABB’s serial number lookup tool.
  • Spare Inventory: Maintain 1 spare probe per 10 installed units (or 1 per critical area, e.g., refinery reactors)—critical for minimizing downtime; store spares in original packaging at 15℃~25℃, away from dust and chemicals

The structure and details of the product：

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