Laser PM2.5 sensor (smog / AQI) Function: Optical (laser) particle sensor that measures PM2.5 concentrations for air quality index (AQI) assessment and smog detection. Benefits: Detects fine particulate pollution that affects health and visibility; enables timely ventilation or filtration decisions; supports AQI calculation for clear, actionable information. Integration and compatibility: Designed for integration into air quality monitors, HVAC controllers, smart home devices, and building management systems. Form factor and performance: Compact optical module with fast response and continuous monitoring suitable for both indoor and ambient air applications. Electrochemical HCHO sensor (formaldehyde) Function: Electrochemical sensor that selectively detects formaldehyde (HCHO) concentrations in air. Benefits: Identifies a common indoor pollutant from furniture, building materials, and household products; helps reduce longterm exposure risk by triggering remediation steps such as increased ventilation or air purification. Integration and compatibility: Suitable for integration into indoor air quality monitors, ventilation systems, environmental test equipment, and portable detection devices. Form factor and performance: Reliable electrochemical sensing chemistry for selective HCHO detection with stable output for trend monitoring. Semiconductor TVOC sensor (benzene and volatile organic compounds) Function: Semiconductorbased sensor for detection of TVOCs, including benzene and other volatile organic compounds. Benefits: Provides broadspectrum VOC awareness to catch leaks, offgassing, and combustion byproducts; useful for indoor air safety, odor management, and source identification. Integration and compatibility: Fits into air quality monitors, smart home systems, industrial safety equipment, and environmental sensing platforms. Form factor and performance: Compact semiconductor module offering sensitive detection of mixed VOCs and suitability for continuous monitoring. Key advantages (why customers need these sensors) Comprehensive coverage: Together the three sensor types measure fine particles, formaldehyde, and a wide range of VOCs, giving a fuller picture of indoor and local air quality. Practical problem solving: Timely detection enables targeted actions (ventilation, filtration, source removal), helping protect occupants, maintain compliance, and improve comfort. Easy integration: Modules are designed to be incorporated into a variety of devices and systems, enabling manufacturers and integrators to add air quality measurement without custom sensing development. Continuous monitoring and trend visibility: Suitable for ongoing measurement so users can track changes, validate remediation, and automate controls. Typical applications and use scenarios Home and office indoor air monitors: Combine PM2.5, HCHO, and TVOC sensing to provide homeowners and facility managers with actionable air quality data for ventilation and air purifier control. HVAC and building management: Integrate sensors into HVAC control systems to enable demandcontrolled ventilation and improve energy efficiency while maintaining healthy air. Construction, renovation, and product testing: Use the HCHO and TVOC sensors to detect offgassing from materials and furnishings and to verify indoor air safety before occupancy. Portable and handheld monitors: Incorporate the compact sensing modules into portable devices for field assessment, spot checks, and worker safety screening. Practical notes Use these sensors as part of a complete monitoring solution that includes calibration, data interpretation, and appropriate response strategies. Pairing particle, electrochemical, and semiconductor sensing provides complementary strengths: particle counting for PM2.5, selective electrochemical measurement for formaldehyde, and broad VOC detection for benzene and related compounds. For device integration consider power, sampling path, enclosure design, and firmware or platform compatibility to ensure reliable performance. What makes this product stand out Purposebuilt sensor types for critical indoor contaminants: laser PM2.5 for particulate matter, electrochemical HCHO for formaldehyde, and semiconductor TVOC for benzene and VOCs. Designed for integration into monitoring and control systems so manufacturers and end users can deploy complete air quality solutions without developing sensing cores inhouse. Practical choice for anyone seeking a multiparameter approach to air quality that supports timely, informed decisions.