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Flame Sensor

The flame sensor uses thermal radiation induction judgment and the Curie temperature of lithium carbonate crystal materials to accurately detect and warn flames with flame temperatures above 250-4000℃ and wavelengths of 380-750nm. The relative dielectric constant is small, and within a wide range of room temperature, there can be obvious temperature difference and high contrast polarity changes for fire warnings. The detector has stable performance. When a fire occurs, it can quickly capture and respond to trigger an alarm within 1 to 2 seconds. It is used for various types of open flame induction fire warnings: fire warnings, security warnings, industrial plants, mining areas, chemical combustible alarms, family homes, charging p

Advanced Digital Flame Sensors - Industrial-Grade PIR Detection Solutions

Enhance your fire safety systems with our cutting-edge digital flame sensors featuring pyroelectric infrared (PIR) technology. Engineered for OEM manufacturers, system integrators, and IoT developers, our flame detection solutions deliver exceptional accuracy, ultra-low power consumption, and seamless integration capabilities for mission-critical applications.

Digital Flame Sensor Technology Overview

Next-Generation PIR Flame Detection

Our digital flame sensors utilize advanced lithium tantalate (LiTaO₃) single-crystal sensing elements combined with sophisticated digital signal processing. Unlike traditional analog flame detectors, our solutions provide:

Core Technology Features:

  • 14-bit ADC digital conversion for precise flame signal processing

  • Bidirectional communication interface enabling real-time configuration and monitoring

  • Second-order Butterworth bandpass filtering eliminating false triggers from ambient interference

  • Electromagnetic shielding encapsulation providing superior RF immunity in industrial environments

Detection Specifications:

  • Flame temperature range: 250-4000°C detection capability

  • Wavelength sensitivity: 380-750nm infrared spectrum coverage

  • Response time: 1-2 seconds rapid flame detection and alarm trigger

  • Operating temperature: -20°C to +55°C industrial grade performance

Comprehensive Flame Sensor Product Range

Industrial-Grade Digital PIR Sensors

S001F24A51 Temperature-Compensated Digital PIR Flame Sensor:

  • Ultra-low power consumption: 3-6µA operating current

  • Configurable detection sensitivity and trigger thresholds

  • Three selectable operating modes for diverse application requirements

  • Single-wire communication protocol for simplified system integration

  • Built-in temperature compensation ensuring consistent performance across operating range

Key Technical Specifications:

  • Supply voltage: 1.5V-3.6V wide input range

  • Input impedance: 30-60GΩ ultra-high impedance differential inputs

  • ADC resolution: 6.5µV/count precision measurement

  • Communication: Bidirectional digital interface with interrupt wake-up capability

  • Environmental compliance: RoHS compliant eco-friendly LiTaO₃ material

Application-Specific Configuration Options

Detection Mode Configurations:

  • Continuous Monitoring Mode: Real-time flame presence detection with configurable sensitivity levels

  • Interrupt-Driven Mode: Power-efficient operation with wake-up alerts for battery-powered applications

  • ADC Data Mode: Raw flame signal output for custom algorithm development and advanced analytics

Customizable Parameters:

  • Detection trigger thresholds adjustable via external microcontroller

  • Blind time settings for post-trigger reset optimization

  • Signal pulse counting time windows for noise immunity

  • Selectable bandpass filter characteristics for specific flame types

Quality Standards & Industrial Certifications

Rigorous Testing & Compliance

Performance Validation:

  • Extended temperature cycling: -30°C to +70°C storage qualification

  • Electromagnetic compatibility testing ensuring reliable operation in industrial environments

  • Long-term stability verification with < 600ppm/K temperature coefficient

  • Input noise specification: <91µVpp RMS ensuring clean signal processing

Manufacturing Quality:

  • ISO 9001:2015 quality management systems

  • RoHS environmental compliance without exemption requirements

  • Automated testing and calibration ensuring consistent unit-to-unit performance

  • Statistical process control maintaining tight electrical parameter distributions

Reliability Features:

  • Power-up self-check functionality with quick stabilization

  • On-chip temperature and supply voltage monitoring

  • Electromagnetic shielding providing exceptional RF interference immunity

  • Robust communication protocol with timeout protection and error handling

Target Applications & Market Segments

Industrial Safety Systems

Fire Detection Applications:

  • Industrial Plant Monitoring: Early flame detection in manufacturing facilities, chemical processing plants

  • Mining Operations: Explosion-proof flame sensing for underground and surface mining equipment

  • Oil & Gas Facilities: Hydrocarbon flame detection for refineries, drilling platforms, and storage facilities

  • Power Generation: Flame monitoring for thermal power plants, waste-to-energy facilities

Smart Building Integration:

  • Commercial Fire Safety: Advanced flame detection for office buildings, shopping centers, hospitals

  • Warehouse & Distribution: Large-area flame monitoring with IoT connectivity for logistics facilities

  • Residential Safety: High-end fire detection systems for luxury homes and apartment complexes

IoT & Smart Device Applications

Connected Safety Solutions:

  • Smart Home Integration: WiFi/Bluetooth enabled flame detectors for home automation systems

  • Industrial IoT Sensors: Edge computing flame detection with cloud connectivity and remote monitoring

  • Automotive Safety: EV charging station flame detection, vehicle fire suppression systems

  • Portable Safety Devices: Battery-powered personal flame detectors for hazardous work environments

Technical Integration Support

Comprehensive Development Resources

Design Support Services:

  • Application Engineering: Custom sensor configuration and system integration consultation

  • Reference Designs: Complete schematics and PCB layouts for rapid product development

  • Software Libraries: Microcontroller drivers and communication protocol implementations

  • Testing & Validation: Pre-compliance testing and performance verification services

Communication Interface Details:

  • SERIN Port: Single-wire bidirectional communication for configuration and control

  • INT/DOCI Interface: Interrupt-driven data output with configurable wake-up conditions

  • Digital Protocol: Robust communication timing with built-in error detection and recovery

  • Power Management: Intelligent sleep/wake cycles optimized for battery-powered applications

System Integration Advantages

OEM Manufacturing Benefits:

  • Reduced Development Time: Pre-validated sensor modules with comprehensive documentation

  • Cost Optimization: High-volume pricing with flexible MOQ options starting from 1,000 units

  • Supply Chain Reliability: ISO-certified manufacturing with 12-16 week standard lead times

  • Technical Support: Dedicated FAE team providing ongoing design and troubleshooting assistance

Competitive Differentiation:

  • Ultra-Low Power Design: 10x lower power consumption compared to traditional analog sensors

  • Digital Intelligence: Configurable parameters eliminating need for external analog conditioning circuits

  • EMI Immunity: Superior performance in electrically noisy industrial environments

  • Compact Integration: Single-chip solution reducing BOM costs and PCB footprint

Advanced Features & Capabilities

Power Efficiency Optimization

Battery-Powered Applications:

  • Interrupt wake-up mechanism enabling microcontroller sleep modes

  • Configurable detection algorithms minimizing false wake-up events

  • Ultra-low standby current extending battery life to multi-year operation

  • Voltage monitoring preventing unreliable operation during battery depletion

System-Level Power Management:

  • Intelligent sensor fusion reducing overall system power consumption

  • Adaptive sensitivity adjustment based on environmental conditions

  • Power supply voltage measurement for system health monitoring

  • Temperature-compensated operation maintaining accuracy across power supply variations

Get Started with Professional Flame Sensing Solutions

Transform your fire safety applications with our advanced digital flame sensor technology. Our engineering team is ready to support your specific requirements with custom configurations, integration assistance, and volume pricing.

Next Steps:

  • Request Technical Specifications: Download detailed datasheets and application notes

  • Order Evaluation Samples: Experience sensor performance with development kits and samples

  • Schedule Technical Consultation: Discuss your application requirements with our sensor specialists

  • Custom Configuration Quote: Receive pricing for volume orders and custom sensor parameters

Contact our flame sensor engineering team today to discover how our digital PIR technology can enhance your fire detection systems with superior accuracy, reliability, and power efficiency.

iles, gas stations, chargers, equipment and machinery, etc.

CONTACT INFO

Add: 1004,West-CBD Buliding, No.139 Binhe Rd, Futian District,  Shenzhen, China.
Tel: +86-755-82867860

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