Develop intelligent indoor air quality equipment with Winsen MEMS and semiconductor VOC sensor modules. Monitor gaseous air quality changes, support odor-related detection and integrate environmental data into air purifiers, air conditioners, ventilation systems and smart monitoring devices.
Detect changes in selected gaseous pollutants in indoor environments.
Choose concentration-style outputs, VOC indices or air quality grades.
Provide sensor inputs to compatible purification and ventilation controls.
Explore MEMS gas arrays for customized odor classification development.
Indoor air contains a changing mixture of gaseous substances. Furniture, surface finishes, household products, cooking and daily activities can influence the concentration of volatile organic compounds and odor-related gases. Environmental sensing helps smart devices track selected changes.
Certain furniture finishes, adhesives, paints and other manufactured materials may release organic volatile compounds indoors.
Selected cleaners, solvents and air fresheners can introduce volatile compounds during use and after application.
Food preparation and cooking may generate different gaseous emissions and odors depending on ingredients and conditions.
Human activity, fragrance products and other everyday sources can change the indoor gas mixture.
Environmental conditions influence emissions from some materials and the responses of gas sensing elements.
Outdoor-air exchange, filtration and other air-treatment processes may affect the composition of indoor air.
These terms describe different aspects of indoor air. Understanding the distinction is important when selecting the correct sensing technology and defining what an OEM monitoring device reports.
Volatile organic compounds are a broad class of organic chemicals that can enter indoor air from many sources. Individual VOCs differ in chemical behavior and health-related properties.
Total volatile organic compounds is a method-dependent aggregate measure or estimate. Different sensing techniques, calibration methods and reporting conventions may produce different values.
Odor refers to the human perception of smells. Some odor-related gases are VOCs, while others are not. A broad gas sensor cannot automatically identify every odor source.
Winsen's indoor VOC modules use semiconductor gas sensing technologies. Changes in the gas environment affect the sensitive element's electrical response, which is processed by the module to produce model-specific output data.
Metal-oxide semiconductor gas sensors respond to a range of compounds. MEMS implementations use miniature structures and integrated sensing elements suited to compact electronic products.
Different sensing modules process gas responses in different ways.
These outputs serve different OEM product functions and should not be treated as interchangeable.
A key decision in VOC sensor selection is how the module reports its measurement. Winsen offers several formats for different monitoring and control requirements.
Some digital modules report a calibrated VOC-related concentration within a specified measurement range.
ZM106-VOC: 0–10 mg/m³Other models report VOC-related measurements in parts per million based on their own calibration and response.
GMD-350B: 0–5 ppmAn index is a processed air quality signal. It is not directly interchangeable with an absolute VOC concentration measurement.
ZPS20: VOC Index 0–500Graded signals provide categorized gaseous air quality information for compatible device indicators and control systems.
ZP07: 0–3 GradesVOC-related measurements can provide an input for compatible smart appliances and ventilation equipment. The finished product's controller determines how sensor data is displayed or used in automatic operation.
The sensor measures selected gaseous environmental changes using its specified sensing method.
A compatible MCU acquires sensor outputs and applies the manufacturer's processing and operating logic.
The finished device may provide an air quality display, fan-speed adjustment or optional air-treatment and ventilation response.
Choose semiconductor and MEMS sensing modules according to the required VOC-related output, electrical interface and equipment application.
Compact MEMS semiconductor sensor module for monitoring selected organic volatile gases in air purifiers, ventilation equipment, smart air conditioners and environmental monitors.
Semiconductor gas module responding to selected gaseous pollutants, with a 0–3 grade pollution output for compatible air-quality indicators and smart appliances.
Integrated VOC, temperature and humidity module for environmental monitoring devices and intelligent air treatment equipment.
For different OEM architectures, Winsen also offers compact VOC + temperature/humidity modules and integrated air quality sensing products.
Miniature digital MEMS VOC + temperature and humidity module with selectable UART and I²C interfaces.
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Semiconductor gas module for broad gaseous pollution response in air cleaners and environmental monitoring devices.
VIEW PRODUCT →Compact four-in-one module combining PM2.5, VOC, temperature and humidity measurements for air purifiers and smart appliances.
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Multi-parameter IAQ module with PM2.5, NDIR CO₂, temperature, humidity and a VOC sensing configuration.
VIEW PRODUCT →Winsen offers different semiconductor and MEMS sensor module configurations for OEM manufacturers, from simple air quality indication to integrated environmental monitoring.
Compare measurement formats, interfaces and integrated sensing functions before choosing a VOC sensor module for your equipment design.
| Winsen Model | Sensing Functions | Output / Range | Electrical Interface | Recommended OEM Direction |
|---|---|---|---|---|
| ZM106-VOC | MEMS VOC-related gas sensing | 0–10 mg/m³ | UART (TTL level 3.3V) | Digital VOC monitoring for smart air quality devices and appliances. |
| ZP07 | Semiconductor broad gaseous pollution response | 0–3 Pollution Grades | TTL level | Air quality grading, indicator and compatible appliance control applications. |
| ZPS20 | VOC + Temperature + Humidity | 0–10 mg/m³; VOC Index 0–500 | I²C | Smart environmental devices requiring multiple parameters. |
| GMD-350B | VOC + Temperature + Humidity | 0–5 ppm | UART / I²C | Compact digital sensing for embedded and portable devices. |
| ZP16 | Semiconductor gaseous pollution response | 0–10 mg/m³ | UART (5V) | Air cleaners, ventilation and monitoring equipment. |
| ZH10-VHT | PM2.5, VOC, Temperature, Humidity | PM2.5: 0–1000 μg/m³; VOC sensing | UART / PWM | Compact integrated sensing for smart air purifiers and appliances. |
| ZPHS01C VOC Version | PM2.5, CO₂, VOC, Temperature, Humidity | VOC: 4 Grades | UART (TTL) | Multi-parameter IAQ monitors and environmental equipment. |
| ZM101-A | Six-channel MEMS gas sensor array | Multi-gas sensing and feature acquisition | UART | Customized gas-pattern analysis and electronic nose development. |
Start with the sensing function required by the finished product. Then select the module based on its output, interface, power and integration requirements.
| OEM Requirement | Suggested Winsen Sensor | Selection Focus |
|---|---|---|
| Digital VOC Monitoring | ZM106-VOC | MEMS semiconductor sensing with a digital UART output. |
| Air Quality Grade Indication | ZP07 | 0–3 grade pollution signal for compatible smart appliance controls. |
| VOC + Temperature + Humidity | ZPS20 / GMD-350B | Compare index, measurement unit, operating voltage and communication interface. |
| PM2.5 + VOC + T&H | ZH10-VHT | Compact module combining particle and gaseous environmental measurements. |
| VOC + Direct CO₂ + PM2.5 | ZPHS01C VOC Version | Integrated CO₂, particle and VOC-related monitoring. |
| Multi-Gas Pattern Analysis | ZM101-A | Six-channel gas array for algorithm-based classification projects. |
| Dedicated Formaldehyde Concentration | ZE08K-CH2O | Use a dedicated HCHO sensing module when formaldehyde is the target measurement. |
Applications requiring gas-pattern recognition may need more than a single broad-response VOC sensing element. Multi-channel MEMS gas arrays offer additional data for customized analysis and classification systems.
The ZM101-A integrates six MEMS gas sensor channels and supports selectable multi-channel operating modes. It can provide gas response features for customized algorithm development and task-specific classification.
Potential applications include smart appliances, environmental monitoring and specialized gas-pattern recognition systems.
Reliable VOC-related sensing depends on the module, sampling environment, enclosure design, electronics and device-level processing. OEMs should evaluate these factors together rather than relying on the sensor specification alone.
Ensure that the sensing element receives air representative of the area or air stream being monitored.
Semiconductor VOC modules may require a warm-up period before measurement. Timing varies by model.
Evaluate environmental influences on sensing, including humidity changes, electronics heat and condensation.
VOC-related modules may respond to alcohol, cleaning agents and other interfering gases in the environment.
Consider baseline behavior, calibration, measurement units and signal handling in the completed device.
Match working voltage, UART, I²C or other model-specific outputs to the host controller.
Winsen VOC and semiconductor air quality modules are suitable for evaluation in different smart indoor environmental equipment designs.
VOC-related sensing for air quality displays and compatible purification control functions.
Gaseous air quality monitoring for connected air conditioning and selected smart AC functions.
Gaseous pollution information for ventilation-related monitoring and compatible controllers.
VOC concentration-style, index or grade measurements for environmental monitoring devices.
Compact gas sensing modules for intelligent appliances and integrated air quality functions.
Multi-channel gas-response acquisition for customized odor-related classification development.
Winsen offers environmental sensing technologies for VOC monitoring and broader indoor air quality applications.
For dedicated HCHO concentration measurement, explore Indoor Formaldehyde Monitoring Sensors . For integrated gas, particle and environmental measurements, discover Multi-in-One IAQ Sensor Modules . Our Indoor Air Quality Monitor Solutions also provide sensing options for complete monitoring equipment development.
Common questions about VOC detection, sensor outputs, odor-related monitoring and OEM integration.
A VOC sensor responds to selected volatile organic compounds in the surrounding air. Depending on the module, the response may be reported as a calibrated concentration-style value, index or pollution grade.
VOC refers to individual volatile organic compounds as a chemical category. TVOC refers to a method-dependent aggregate measurement or estimate covering multiple compounds.
Some VOC sensors respond to gases associated with certain odors. However, they do not identify every odor source or distinguish every compound.
No. VOC concentration-style measurements and VOC Index outputs represent different reporting formats. The index cannot automatically be interpreted as a universal ppm or mg/m³ concentration.
ZM106-VOC is a MEMS digital module with a 0–10 mg/m³ VOC-related measuring range. ZP07 provides a 0–3 grade gaseous pollution signal rather than the same type of concentration output.
Both provide VOC, temperature and humidity sensing. ZPS20 has I²C output with 0–10 mg/m³ and VOC Index 0–500. GMD-350B offers UART/I²C output with a 0–5 ppm VOC-related range.
Not when specific formaldehyde concentration measurement is required. A dedicated HCHO sensor is appropriate for applications requiring formaldehyde as an individual target gas.
VOC sensor data can be used by a compatible OEM controller to support automatic equipment operation. The actual control functions and purification performance depend on the finished device.
A multi-channel electronic nose can support gas-pattern classification for defined applications. Identification requires representative samples, suitable algorithms and validation.
Winsen provides VOC and gaseous air quality modules with different output types and integrated sensing functions for equipment manufacturers.
Tell us your target sensing gases, required measurement format, electrical interface, module dimensions and equipment application. Winsen can help you evaluate suitable semiconductor, MEMS and integrated air quality sensing options for your project.
