Metron FD4-MB301 HCCA34453A-SU
Advanced Flame Detection System
Product Overview
The Metron FD4-MB301 HCCA34453A-SU is an advanced multi-spectrum flame detection system designed for reliable fire detection in industrial and hazardous environments. This high-performance flame detector utilizes sophisticated optical sensing technology to provide early detection of fires while minimizing false alarms, ensuring optimal safety in critical applications where rapid fire detection is essential.
Based on Metron's proven flame detection technology, the FD4-MB301 HCCA34453A-SU offers enhanced detection capabilities across multiple spectral ranges. Its robust design and advanced signal processing algorithms make it suitable for a wide range of industrial applications, including oil and gas facilities, chemical plants, power generation, and other high-risk environments.
This flame detection system provides exceptional sensitivity and speed of response, with the ability to detect fires from a variety of fuel types including hydrocarbons, alcohols, and metals. With its rugged construction and advanced diagnostics, the FD4-MB301 ensures reliable operation in harsh environmental conditions.
Technical Specifications
Detection Parameters
- Detection Type: Multi-spectrum infrared/ultraviolet
- Spectral Ranges: UV, IR1, IR2, IR3
- Response Time: < 3 seconds (typical)
- Field of View: 90° horizontal, 90° vertical
- Range: Up to 75 meters (hydrocarbon fires)
Electrical Specifications
- Power Supply: 18-32 VDC
- Power Consumption: 2.5 W max
- Outputs: 2 x configurable relays, 4-20 mA
- Communication: Modbus RTU, HART (optional)
- Alarm Indicators: LED indicators, local buzzer
Environmental Parameters
- Operating Temperature: -40°C to +75°C
- Storage Temperature: -55°C to +85°C
- Humidity: 5% to 95% RH, non-condensing
- Ingress Protection: IP66/IP67
- Wind/Snow/rain: Immune to false alarms
Physical Specifications
- Housing Material: Marine-grade aluminum
- Dimensions: 180mm x 180mm x 120mm
- Weight: 2.8 kg
- Mounting: 3/4" NPT conduit, wall mount
- Window Material: Sapphire
Certifications and Approvals
- Ex Certification: ATEX, IECEx, UL Class I Div 1
- Safety: SIL 2/3 certified (IEC 61508)
- EMC: IEC 61000-6-2, IEC 61000-6-4
- Marine: ABS, DNV GL, BV approved
- Quality: ISO 9001, ISO 14001
Detection Capabilities
- Hydrocarbon Fires: 75m (1ft² pan)
- Methanol Fires: 45m (1ft² pan)
- Hydrogen Fires: 30m (1ft² pan)
- Metal Fires: 20m (magnesium)
- False Alarm Immunity: Sunlight, lightning, arc welding
Product Features
Multi-Spectrum Detection
Advanced multi-spectrum sensing technology covering UV, IR1, IR2, and IR3 spectral ranges. Provides comprehensive flame detection capabilities for various fuel types with exceptional sensitivity and speed of response.
Advanced Signal Processing
Sophisticated algorithms for flame pattern recognition and false alarm rejection. Digital signal processing techniques to distinguish between genuine flames and background interference sources.
Rugged Industrial Design
Robust marine-grade aluminum housing with IP66/IP67 protection rating. Designed to withstand harsh environmental conditions including extreme temperatures, humidity, vibration, and corrosive atmospheres.
Comprehensive Diagnostics
Advanced self-diagnostic capabilities including optical path monitoring, detector health checks, and fault reporting. Provides early warning of potential issues to ensure continuous reliable operation.
Flexible Integration Options
Multiple output options including relays, 4-20 mA, and digital communication protocols. Easy integration with fire alarm systems, DCS, and safety instrumented systems.
High False Alarm Immunity
Exceptional resistance to false alarms from common sources such as sunlight, lightning, arc welding, hot objects, and background radiation. Minimizes operational disruptions and maintenance costs.
SIL Certification
SIL 2/3 certified for use in safety instrumented systems. Complies with IEC 61508 and IEC 61511 standards for functional safety in process industries.
Easy Installation and Maintenance
Simple mounting options and user-friendly configuration interface. Minimal maintenance requirements with long service life and easy access for periodic testing and cleaning.
Applications
Oil and Gas Industry
Refineries, petrochemical plants, offshore platforms, and pipeline facilities. Early detection of hydrocarbon fires in hazardous areas where rapid response is critical for safety and asset protection.
Chemical Processing
Chemical manufacturing plants, pharmaceutical facilities, and storage terminals. Detection of fires involving various chemical compounds including alcohols, solvents, and reactive materials.
Power Generation
Fossil fuel power plants, nuclear facilities, and renewable energy installations. Protection of critical equipment and infrastructure from fire hazards in power generation environments.
Marine and Shipping
Commercial vessels, tankers, and offshore support vessels. Fire detection in engine rooms, cargo holds, and hazardous areas on ships where space constraints and environmental conditions are challenging.
Aviation
Airports, aircraft hangars, and fuel storage facilities. Detection of fires in aviation fuel handling areas and maintenance facilities where rapid detection is essential.
Mining and Metals
Mining operations, metal processing facilities, and smelting plants. Detection of fires involving flammable materials and metal fires in industrial mining environments.
Warehousing and Logistics
Distribution centers, storage warehouses, and logistics facilities. Protection of stored goods and materials from fire hazards in large commercial and industrial storage spaces.
Manufacturing
Industrial manufacturing facilities, production lines, and processing plants. Fire detection in manufacturing environments where flammable materials and processes present fire risks.
Technical Details
Optical System
- Detectors: UV photodiode, IR pyroelectric detectors
- Optics: Wide-angle lens system with spectral filters
- Wavelength Ranges: UV (185-260nm), IR1 (2.5-3.1μm)
- IR2: 4.0-4.8μm, IR3: 7.5-10.5μm
- Filter Technology: Narrow-band interference filters
Signal Processing
- Processor: 32-bit microcontroller
- Algorithm: Multi-criteria flame verification
- Frequency Analysis: 1-20Hz flicker detection
- Sensitivity Adjustment: 10 levels of sensitivity
- Response Time: Adjustable 1-10 seconds
Output Configuration
- Relay Outputs: 2 x SPDT, 5A @ 250VAC/30VDC
- Analog Output: 4-20 mA, isolated
- Status Indicators: Red (alarm), Green (power)
- Test Input: Remote test capability
- Fail-Safe: Configurable fail-safe operation
Communication Interface
- Protocol: Modbus RTU over RS-485
- Baud Rate: 9600, 19200, 38400, 57600
- Data Format: 8N1, 8E1, 8O1 configurable
- Network: Up to 32 devices per bus
- HART: Optional HART communication
Diagnostic Features
- Self-Test: Automatic daily self-test
- Optical Path: Window contamination detection
- Detector Health: Signal strength monitoring
- Power Supply: Voltage monitoring
- Event Log: Last 100 events with timestamps
Installation Details
- Mounting Height: 2-15 meters recommended
- Conduit Entry: 2 x 3/4" NPT
- Cable Requirements: Shielded twisted pair
- Orientation: Adjustable 360° rotation
- Alignment: Visual alignment aid included
Installation and Maintenance
Installation Guidelines
The Metron FD4-MB301 HCCA34453A-SU flame detection system should be installed by qualified personnel following Metron's installation instructions. Proper mounting height, orientation, and spacing between detectors should be determined based on the specific application requirements and risk assessment.
Key installation considerations include: unobstructed line-of-sight to the protected area; proper grounding and shielding of cables; compliance with local electrical codes and safety regulations; and appropriate separation from potential false alarm sources such as direct sunlight, heating equipment, and electrical equipment.
Ordering Information
Model Description
Complete Model Number: FD4-MB301 HCCA34453A-SU
Product Series: FD4 Series
Detection Type: Multi-spectrum flame detector
Configuration: Standard outdoor configuration
Power Supply: 18-32 VDC
Optional configurations: Heated window for cold climates, enhanced corrosion protection, specialized filters for specific applications, explosion-proof enclosures, and custom communication protocols.
Metron Corporation
Advanced Fire Detection Solutions
Document Number: FD4-MB301-DOC
Revision Date: 2025
