3-in-1 CO Smoke Heat Detector, Triple Sensor Alarm, Carbon Monoxide Smoke Temperature Tester, Multi-Criteria Fire Detector, All-in-One CO Smoke Heat Sensor
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+8613261677119
3-in-1 CO Smoke Heat Detector, Triple Sensor Alarm, Carbon Monoxide Smoke Temperature Tester, Multi-Criteria Fire Detector, All-in-One CO Smoke Heat Sensor+8613261677119
3-in-1 CO Smoke Heat Detector | Triple Sensor Alarm | Carbon Monoxide Smoke Temperature Tester | Multi-Criteria Fire Detector | All-in-One CO Smoke Heat Sensor
OEM/ODM | Custom Development | Factory Visit Welcome | Round-Trip Airfare Reimbursement | Free Accommodation and Meals
Are you a global trade partner, cross-border e-commerce seller, sourcing agent, or local distributor looking for a direct Chinese manufacturer of 3-in-1 CO smoke heat detectors?
Do you want to source triple sensor alarms and multi-criteria fire detectors without dealing with trading company markups?
Wanlin Fire Technology – a verified manufacturer of home fire alarm and detection devices – is now expanding our international partner network. We specialize in multi-criteria fire detection technology and are ready to become your long-term supplier.
We are not a middleman. We are the source factory. We offer complete export solutions for 3-in-1 CO smoke heat detectors, triple sensor alarms, carbon monoxide smoke temperature testers, multi-criteria fire detectors, and all-in-one CO smoke heat sensors. Our philosophy is simple: win-win cooperation, quality assurance, and exceptional service for every global partner.
3-in-1 CO smoke heat detectors combine three critical life-safety technologies in a single device: photoelectric smoke detection, electrochemical carbon monoxide sensing, and thermistor heat detection. This comprehensive approach protects against the widest range of fire and gas hazards. All products are designed to meet CE, RoHS, EN14604, EN50291, EN54, UL217, UL2034, UL521, and UKCA certifications.
Triple protection combining photoelectric smoke, electrochemical CO, and thermistor heat detection in one compact unit
Photoelectric smoke sensor optimized for slow-smoldering fires from upholstery, bedding, foam, and electrical wiring
Electrochemical CO sensor providing accurate carbon monoxide detection from 0 to 999 ppm for silent killer protection
Thermistor heat sensor with dual detection: fixed temperature threshold (58°C/135°F) and rate-of-rise detection (8°C to 10°C per minute)
Smart microprocessor with advanced algorithm analyzes all three sensors simultaneously for accurate fire discrimination
Distinct alarm patterns: three beeps for smoke, four beeps for CO, continuous alarm for heat (or voice alert options)
Large backlit digital display showing real-time CO concentration in ppm and ambient temperature
Peak level memory stores highest CO level and temperature for responder review
Available in 10-year sealed lithium battery, replaceable battery, or hardwired with battery backup
Interconnectable version supports up to 24 units with synchronization
Operating temperature range: -10°C to +55°C with humidity tolerance up to 95 percent RH
Self-diagnostics with drift compensation and sensor health monitoring for all three sensors
Test button verifies smoke, CO, and heat sensors and battery condition simultaneously
End-of-life warning at 7 to 10 years for complete unit replacement
Ideal for kitchens, garages, boiler rooms, RVs, boats, and complete whole-home protection
Advanced triple sensor alarm with independent sensing elements for smoke, carbon monoxide, and heat
Photoelectric smoke chamber with insect screen protection and dust rejection
Electrochemical CO sensor with 5 to 7 year certified lifespan from Tier 1 suppliers
NTC thermistor for precise temperature monitoring with ±1°C accuracy
Intelligent voting algorithm requires two sensors to agree before full alarm to virtually eliminate false alarms
Individual alarm indicators: red LED for smoke, amber LED for CO, blue LED for heat, green LED for power
Voice alert option announces Smoke Detected, Carbon Monoxide Detected, or Heat Detected for immediate hazard identification
Digital display cycles through CO (ppm), temperature (°C/°F), and time
Remote mute capability via included remote control for professional installations
Tamper-resistant mounting bracket for rental and public housing compliance
Low battery warning with distinct voice or chirp pattern
Alarm memory indicates which sensor(s) triggered the last alarm event
Suitable for residential, commercial, and industrial applications
Available in white, black, silver, and custom colors
Professional 3-in-1 testing tool for verifying combined CO, smoke, and heat detectors
Generates calibrated test gas for CO sensor validation (50-100 ppm)
Produces simulated smoke aerosol for photoelectric smoke chamber testing
Includes temperature probe with digital readout for heat sensor threshold verification
Safe, non-residue, non-conductive formula safe for all sensor types
Compatible with all major brands of multi-criteria detectors
Reusable can providing approximately 100-150 tests per can
Essential tool for fire safety inspectors, HVAC technicians, and maintenance professionals
Includes adapter attachments for different detector vent configurations
Clear pass-fail indication based on detector response time
Also tests individual smoke, CO, and heat detectors
Professional grade multi-criteria fire detector with four detection technologies in advanced models
Standard configuration: photoelectric smoke, electrochemical CO, thermistor heat (3 criteria)
Premium configuration available adding infrared flame detection (4 criteria) for industrial applications
Artificial intelligence pattern recognition distinguishes between real fires and nuisance sources
Rejects false alarms from cooking, steam, dust, insects, and vehicle exhaust
Addressable communication for professional fire alarm control panel integration
Remote sensitivity adjustment via control panel or mobile APP
Detailed event logging with time-stamped records for each sensor
Self-diagnostics reports individual sensor health and contamination levels
Maintenance alert when any sensor requires cleaning or replacement
Suitable for commercial buildings, industrial facilities, data centers, and high-value asset protection
Ruggedized housing with IP42 or IP54 ingress protection
Wide operating temperature range: -20°C to +60°C for extreme environments
Fully integrated all-in-one sensor module for OEM and professional system integration
Complete 3-in-1 detection on a single compact PCB with all three sensing elements
Digital communication output (I2C, UART, RS485, or CAN bus) for host system integration
Factory calibrated with individual calibration coefficients stored in onboard EEPROM
Low power consumption suitable for battery-powered and IoT applications
Alarm outputs: relay (Form C), open collector, or digital signal
Real-time data streaming for smoke density, CO ppm, and temperature
Self-diagnostics with fault reporting to host system
Ideal for HVAC air quality systems, smart home hubs, industrial control panels, and robotics
Compact form factor: 60mm x 60mm x 25mm typical
Operating voltage: 5V DC, 12V DC, or 24V DC options
Plug-and-play integration with standardized pinout
All products undergo 100 percent pre-shipment quality control including smoke sensitivity calibration using certified smoke density equipment, CO sensor accuracy verification using calibrated gas concentrations, temperature sensor calibration against NIST-traceable reference, alarm sound output testing, and accelerated life testing. Multi-language user manuals available.
Why 3-in-1 Detection? Different fire and gas hazards require different detection technologies. A smoke detector alone cannot detect carbon monoxide poisoning. A CO detector alone cannot detect fires. A heat detector alone cannot detect smoke or CO. A 3-in-1 detector provides comprehensive protection against all three leading causes of home fatalities: fire, carbon monoxide poisoning, and heat-related emergencies.
The Three Detection Technologies Explained
Photoelectric Smoke Detection
Uses light-scattering principle with infrared LED and photosensitive receiver
Best for slow-smoldering fires from upholstery, bedding, foam, electrical wiring, and overheated electronics
Detects visible smoke particles typically above 0.3 microns
Lower false alarm rate from cooking than ionization technology
Meets UL217 and EN14604 standards
Electrochemical Carbon Monoxide Detection
Three-electrode sensor with working, counter, and reference electrodes in electrolyte
Chemical reaction generates electrical current proportional to CO concentration
High accuracy from 0 to 999 ppm CO
Selective to CO with minimal cross-sensitivity to other gases
Typical sensor lifespan: 5 to 7 years
Meets UL2034 and EN50291 standards
Thermistor Heat Detection
NTC (Negative Temperature Coefficient) thermistor provides precise temperature measurement
Fixed temperature detection: alarm at 58°C (135°F) standard, custom thresholds available
Rate-of-rise detection: alarm when temperature increases 8-10°C per minute
Compensates for normal daily temperature variations
Not affected by smoke, steam, dust, or insects
Meets UL521 and EN54-5 standards
Why Combine All Three in One Device?
Complete protection: covers smoke fire, CO poisoning, and fast-rising heat events
Single installation: one device instead of three separate units on ceiling or wall
Lower cost: less expensive than buying individual smoke, CO, and heat detectors
Reduced maintenance: one test button, one battery, one end-of-life replacement
Saves space: ideal for small rooms, RVs, boats, apartments, and hallways
No protection gaps: eliminates risk of forgetting to install one type of detector
Intelligent false alarm reduction: algorithm cross-references sensors for confirmation
How the Smart Algorithm Works
All three sensors operate continuously and independently
Microprocessor analyzes data from all sensors simultaneously
Voting algorithm typically requires confirmation from two sensors for full alarm
Example: smoke increase plus CO detection confirms fire (both smoke and CO)
Example: temperature spike alone with no smoke = fast-flaming fire or other heat source
Example: CO detection with no smoke = carbon monoxide from appliance malfunction
This cross-validation virtually eliminates nuisance alarms
Wanlin's 3-in-1 detectors use premium components: photoelectric smoke chambers from certified suppliers, electrochemical CO sensors from ISO-certified Tier 1 manufacturers, and precision NTC thermistors from TDK or Murata. Each unit undergoes individual calibration for all three sensors before shipment.
We understand that every market has unique requirements. Wanlin offers full customization for all our 3-in-1 CO smoke heat detection products.
Housing and Design
Custom colors according to any RAL or Pantone code
Logo engraving, embossing, or silk-screening on front cover
Button placement, shape, and tactile feel customization
LED indicator color selection: red for smoke, amber for CO, blue for heat, green for power
Digital display customization: CO only, temperature only, CO plus temperature, or no display
Low-profile designs for aesthetic applications
Ruggedized housing for industrial and commercial installations
Tamper-resistant mounting bracket for rental compliance
Sensor Configuration
Photoelectric smoke chamber: standard or high-sensitivity options
Electrochemical CO sensor: 5-year or 7-year certified lifespan versions
Heat sensor: fixed temperature threshold from 40°C to 90°C, custom rate-of-rise sensitivity
Additional sensors: humidity, natural gas, LPG, or air quality (VOC)
Flame detection option for premium industrial models
PCB and Firmware
Calibration parameters adjustable for regional standards (UL, EN, AS)
Alarm threshold customization for specific local regulations
Voting algorithm configuration: single sensor, two-sensor confirmation, or all three
Alarm sound pattern and volume customization per hazard type
Voice alert language and phrasing customization
Self-test scheduling and fault reporting timing
Data logging memory for compliance and investigation
Display and User Interface
Digital CO display (0-999 ppm) with backlight
Temperature display in Celsius or Fahrenheit
Peak level memory for CO and temperature with reset
Voice alert with hazard identification (Smoke, CO, or Heat)
Smartphone APP connectivity for remote monitoring (Wi-Fi/Bluetooth models)
Buzzer volume adjustment options
Communication and Integration
Wireless interconnect for whole-home protection (RF 433MHz, 868MHz, 915MHz)
Wi-Fi for remote monitoring and push notifications
Zigbee, Z-Wave, or Thread for smart home integration
Addressable communication for professional fire alarm systems
Relay outputs for integration with HVAC or building automation
Power Options
10-year sealed lithium battery for maintenance-free operation
Replaceable battery: AA, 9V, or CR123A configurations
Hardwired with battery backup (120V or 230V AC)
Low voltage DC: 12V, 24V, or 48V for professional systems
Packaging and Labeling
Retail box design with your branding and triple-protection features
Custom labels with serial number, batch tracking, and QR code
Multi-language user manuals with complete safety information
Professional packaging for commercial and industrial distribution
Certification Support
UL217 (smoke), UL2034 (CO), UL521 (heat) for United States
EN14604 (smoke), EN50291 (CO), EN54-5 (heat) for Europe
AS3786 (smoke), AS/RCM (CO/heat) for Australia
Technical file preparation for product registration
Sample provision for third-party testing laboratories
Low MOQ for Trial Orders – as few as 500 units for selected models
Fast Sampling – 10 to 15 working days for custom samples
Full Technical Documentation – for product registration and market approval
Dedicated R&D Support – for custom sensor configurations and algorithm development
We believe the best partnership is built on trust – and trust is built face to face.
For serious global partners including distributors, importers, sourcing agents, and volume buyers, Wanlin offers:
Round-trip airfare reimbursement – economy class tickets, upon confirmed order or signed partnership agreement
Free accommodation – quality hotel stay during factory inspection days for up to 3 nights
Free local meals and transportation – airport pickup, all meals, and local travel during your visit
During your visit, you will:
Tour our production lines and witness 3-in-1 detector assembly and triple-sensor calibration
See our CO sensor testing laboratory with certified gas concentration equipment
Visit our smoke sensitivity calibration chambers with NIST-traceable reference
Observe heat sensor testing in thermal chambers with precision temperature control
Test our triple sensor alarms with real smoke, CO gas, and controlled heat
Review our quality control documentation and calibration records for all three sensors
Meet our R&D engineers and discuss custom algorithm development
Review export documentation, supply chain processes, and quality assurance protocols
Visit our warehouse and see finished goods ready for shipment
Discuss long-term partnership agreements and exclusive territory arrangements
This offer applies to genuine buyers, distributors, and long-term cooperation seekers. Contact us for eligibility details and complete terms.
Wanlin is committed to cooperative success. We do not chase short-term profits. We build long-term relationships based on quality, service, and mutual growth.
| Partner Type | What We Offer |
|---|---|
| Fire Safety Distributor | Bulk pricing with tiered volume discounts, container shipping options including FCL and LCL, exclusive territory discussion, stock holding support, marketing materials highlighting 3-in-1 convenience and complete protection |
| RV, Marine, and Outdoor Supplier | Specialized triple sensor detectors for mobile applications, compact low-profile designs, vibration-resistant construction, 10-year battery options |
| Smart Home Integrator | 3-in-1 detectors with Wi-Fi, Zigbee, or Z-Wave, API access, custom integration support, long-term supply agreement |
| Cross-border Seller (Amazon, eBay, Shopify) | Private label service, FBA-ready packaging, compliance documentation, enhanced listing content explaining 3-in-1 benefits |
| Sourcing Agent or Trading Company | Factory-direct pricing, commission protection, sample access within 3 to 5 days, 24-hour reply guarantee, dedicated account manager |
| Professional Fire Alarm System Integrator | Addressable multi-criteria detectors, open protocol or custom, technical documentation, long-term supply agreement |
| Government Tender or NGO Supplier | Volume pricing for large-scale public safety programs, complete certification packages, drop-shipping to multiple locations |
Our Values
Quality Guarantee – 100 percent pre-shipment inspection, triple-sensor calibration verification, environmental chamber testing, 1-year warranty with replacement guarantee
Responsive Service – English-speaking export team, reply within 24 hours (typically within 12 hours), technical support for all three detection technologies
Fair Pricing – No hidden fees, transparent cost breakdown, volume discounts automatically applied
Shared Growth – Marketing materials, product catalogs, technical white papers on multi-criteria detection, installation videos, documentation provided free
Long-term Commitment – Regular communication, quarterly reviews, continuous product improvement
When you partner with Wanlin, you get a turnkey export service designed for hassle-free international trade.
Customization and Branding
Custom labeling and retail packaging – your brand, your design, your language
Custom user manuals with 3-in-1 operation instructions – we translate and design
Custom sensor configuration for your market requirements
Sample approval before mass production
Quality Control
In-line quality control during production at each assembly stage
Smoke sensitivity calibration on 100 percent of finished units
CO sensor accuracy verification using certified gas concentrations on batch samples
Temperature sensor calibration against NIST-traceable reference
Alarm sound testing at 85dB minimum
Environmental chamber testing including temperature and humidity
100 percent final functional testing before packaging
Third-party inspection supported including SGS, BV, TUV, Intertek
Shipping and Logistics
Full shipping documents: Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, Form E, CE/UL declarations, CO sensor documentation
Flexible shipping: sea freight (FCL or LCL), air freight, express (DHL, FedEx, UPS)
DDP available for select countries
After-Sales Support
Technical hotline for installation and troubleshooting
Sensor lifespan guidance for all three sensors
Spare parts supply guaranteed for 3 years
Warranty returns processing
Online training sessions for your sales and technical teams
We have successfully exported to North America, Europe, Southeast Asia, the Middle East, South America, Africa, and Australia.
Wanlin's 3-in-1 detectors provide comprehensive protection for residential, commercial, industrial, and mobile applications.
Residential homes and apartments – complete whole-home protection with single devices
RVs, campers, and travel trailers – space-saving all-in-one protection
Boats and marine vessels – compact solution for engine rooms and living spaces
Hotels and hospitality – guest room safety with simplified maintenance
Rental properties – tenant compliance with 10-year sealed battery versions
Senior living facilities – easy single-device installation and testing
Schools and daycare centers – complete protection for classrooms and kitchens
Hospitals and healthcare facilities – comprehensive patient room safety
Commercial kitchens – smoke, CO, and heat protection in one device
Garages and workshops – vehicle exhaust CO plus fire detection
Boiler rooms and mechanical rooms – heat and CO monitoring
Cabins and vacation homes – unattended property protection
Tiny homes and container homes – maximizing limited ceiling space
Why All Three Protections Are Necessary
Smoke detectors alone miss carbon monoxide poisoning (silent killer)
CO detectors alone miss smoldering and fast-flaming fires
Heat detectors alone cannot detect smoke or CO
Each hazard requires different detection technology
3-in-1 ensures no protection gaps
CO Poisoning Symptoms (Early Warning)
Low level (1-70 ppm): headache, nausea, fatigue (mistaken for flu)
Medium level (70-150 ppm): throbbing headache, drowsiness, confusion
High level (150-400+ ppm): seizures, unconsciousness, death
Fire Types and Detection
Smoldering fires: detected by photoelectric smoke sensor (upholstery, bedding)
Fast-flaming fires: detected by heat sensor rate-of-rise (paper, liquids)
Both fire types: smoke and heat together confirm real fire
| Feature | Separate Detectors (3 units) | 3-in-1 Detector by Wanlin |
|---|---|---|
| Number of devices needed | 3 per location (smoke, CO, heat) | 1 per location |
| Installation cost | Higher (3 mounts, 3 installations) | Lower (1 mount, 1 installation) |
| Total product cost | Higher (3 individual products) | Lower (1 combined product) |
| Ceiling/wall space used | Triple the space | Single device |
| Battery replacements | Track 3 different batteries | Track 1 battery |
| Test button operations | 3 separate tests | 1 test checks all sensors |
| End-of-life replacement | 3 different schedules | Single replacement date |
| False alarm reduction | Independent, no cross-check | Algorithm cross-references all three |
| Fire type identification | No | Yes, identifies hazard type |
| Digital display | Separate units | Single display shows all |
| Best application | Large rooms with abundant space | Small rooms, RVs, boats, complete protection |
You do not need to be the biggest company. You just need a reliable, honest, and capable manufacturer who treats you as a true partner.
Email: wanlinfirecontrol@163.com
Export Hotline (WhatsApp, WeChat, Phone): +86 13261677119
Official Website: www.wanlinfire.com