Description
Honeywell C7068A1007
Technical Specifications
- Brand: Honeywell
- Model: C7068A1007
- Product Series: C7068 Series Flame Detectors
- Product Type: UV/IR Flame Detector (specific detection method dependent on exact sub-model configuration)
- Detection Spectrum: Ultraviolet (UV) range 185-260 nanometers or Infrared (IR) range as configured
- Response Time: Less than 2 seconds for flame failure detection
- Field of View: Adjustable viewing angle typically 30-60 degrees depending on lens configuration
- Operating Voltage: 24VAC/DC or 120VAC (configuration dependent)
- Power Consumption: Less than 5VA typical
- Output Signal: Relay output (Form C) or 4-20mA analog signal (model dependent)
- Relay Rating: Typically 5A at 250VAC resistive load
- Operating Temperature: -40°C to +70°C (-40°F to +158°F)
- Storage Temperature: -50°C to +85°C (-58°F to +185°F)
- Humidity Range: 0% to 95% RH non-condensing
- Protection Rating: IP54 or IP65 (housing dependent)
- Housing Material: Aluminum or stainless steel with corrosion-resistant coating
- Lens Material: Quartz glass (UV) or germanium/sapphire (IR) with protective window
- Cable Entry: M20 x 1.5 or 1/2-inch NPT conduit connection
- Mounting: Flange mount or bracket mount with adjustable aiming mechanism
- Certifications: UL Listed, CSA Certified, FM Approved, CE Mark, ATEX/IECEx (for hazardous areas)
- Compliance: NFPA 85, NFPA 86, EN 298, EN 50156-1 standards
Functional Features
- Reliable flame detection using UV or IR sensing technology immune to visible light interference
- Fast response time ensuring rapid detection of flame failure for safe burner shutdown
- Adjustable field of view allowing precise targeting of the flame zone and rejection of background radiation
- Self-diagnostic capability monitoring detector health and signaling faults to the control system
- Immunity to false trips from hot refractory, glowing embers, or ambient light sources
- Robust housing designed for harsh industrial environments including high temperature and vibration
- Easy aiming and alignment with integrated sighting mechanism for accurate flame targeting
- Relay output providing direct interface with burner management systems and PLCs
- Optional 4-20mA analog output for continuous flame intensity monitoring (model dependent)
- Compatible with Honeywell’s range of flame safeguard controls and third-party BMS systems
- Low power consumption suitable for both AC and DC powered installations
- Weatherproof and dustproof housing suitable for outdoor and indoor combustion equipment
- Long service life with minimal maintenance requirements
Application Scenarios
- Industrial Boilers: Flame monitoring for package boilers, watertube boilers, and firetube boilers in power generation and process heating
- Process Furnaces: Flame detection in petrochemical cracking furnaces, reformer furnaces, and heat treatment furnaces
- Incinerators: Monitoring flame in waste incineration systems, hazardous waste burners, and thermal oxidizers
- Industrial Ovens: Flame safeguard for curing ovens, drying ovens, and baking ovens in manufacturing processes
- Gas Turbines: Pilot flame and main flame detection in industrial gas turbine combustion systems
- Cement Kilns: Flame monitoring in rotary kiln burners for cement production
- Steel Industry: Flame detection in reheating furnaces, annealing furnaces, and ladle preheaters
- Paper Mills: Flame monitoring for recovery boilers and lime kiln burners
- Marine Applications: Flame detection for auxiliary boilers on ships and offshore platforms
- Commercial Heating: Large-scale commercial boiler plants for district heating and institutional facilities
Performance Parameters
- Flame Detection Range: Detects flames from small pilot burners to large industrial main flames depending on lens and sensitivity settings
- Response Time to Flame Failure: Less than 2 seconds from flame extinction to relay de-energization
- Response Time to Flame Establishment: Less than 5 seconds from flame ignition to relay energization
- Field of View Adjustment: 30-60 degrees adjustable viewing cone for precise flame targeting
- Sensitivity Adjustment: Adjustable sensitivity threshold to optimize detection for specific flame characteristics
- Operating Temperature Range: -40°C to +70°C continuous operation in industrial environments
- Thermal Shock Resistance: Withstands rapid temperature changes during burner startup and shutdown cycles
- Vibration Resistance: Compliant with industrial vibration standards per IEC 60068-2-6
- Electromagnetic Compatibility: Meets IEC 61326 standards for immunity to electrical noise in industrial environments
- Relay Contact Rating: 5A at 250VAC for direct connection to burner control circuits
- Mean Time Between Failures: Greater than 100,000 hours typical for solid-state detection electronics
- Lens Contamination Tolerance: Maintains reliable detection with moderate lens fouling; includes contamination warning feature
Material Composition
- Housing: Die-cast aluminum alloy with powder-coated finish or stainless steel 316L for corrosive environments
- Detection Sensor: UV-sensitive phototube or solid-state UV/IR photodiode array
- Optical Lens: Quartz glass for UV transmission or germanium/sapphire for IR detection with anti-reflective coating
- Protective Window: Tempered glass or sapphire window protecting the internal lens from combustion byproducts
- Relay Module: Industrial-grade electromechanical relay with silver alloy contacts
- Circuit Board: High-Tg FR-4 PCB with conformal coating for moisture and chemical resistance
- Cable Gland: Nickel-plated brass or stainless steel M20/1/2-inch NPT cable entry fitting
- Mounting Flange: Stainless steel or aluminum flange with adjustable ball-joint aiming mechanism
- Sealing Elements: Silicone or fluorocarbon rubber O-rings and gaskets for environmental sealing
- Internal Wiring: High-temperature silicone-insulated wiring with strain relief
- Fasteners: Stainless steel screws and bolts resisting corrosion in combustion environments
Structural Features
- Compact cylindrical or rectangular housing optimized for mounting near burner assemblies
- Adjustable mounting bracket or flange with ball-joint mechanism for precise aiming at the flame
- Integrated sighting telescope or alignment aid for accurate detector positioning during installation
- Front-mounted quartz or sapphire lens window providing clear optical path to the flame zone
- Weatherproof conduit entry point with threaded connection for secure cable routing
- Status LED indicators visible from the front showing flame detected, fault, and power status
- Sensitivity adjustment potentiometer accessible through a sealed cover for field calibration
- Relay output terminals housed in a separate wiring compartment isolated from the optical section
- Heat sink fins or thermal barrier protecting internal electronics from high ambient temperatures
- Clear labeling of all terminals, adjustments, and safety warnings
- Modular design allowing lens replacement or sensor upgrade without removing the entire housing
- Protective sun shield or hood option reducing solar radiation interference for outdoor installations
