Your Professional Dust Sensor Module Supplier
Suzhou Huiwen Nanotechnology Co., Ltd is a high-tech company specializing in the development and production of advanced smart gas sensors and providing integrated gas detection solutions. At present, Our core products focused with gas sensors, detectors and high-end analyzers. For all products, we forces on quality, and innovation.
Why Choose us
ODM/OEM Services Available
We are capable of providing both Original Design Manufacturing (ODM) and Original Equipment Manufacturing (OEM) solutions to meet diverse customer requirements.
Comprehensive Product Qualifications
Our company holds a wide range of international certifications and possesses the capability to obtain additional necessary certifications to fulfill global market demands and customer-specific needs.
24/7 Online Support
We provide round-the-clock online assistance, ensuring prompt and efficient responses to inquiries and technical support requests.
Parameter
|
Product Number |
MMD601 |
|
Test Substance |
PM2.5 particulate matter |
|
Physical Interface |
EH2.54-5P terminal socket |
|
Minimum Detection Limit |
1um |
|
Operating Voltage |
5.0±0.2VDC |
|
Output Data Type |
UART, PWM (5V level) |
|
Working Current |
≤90mA |
|
Preheat Time |
≤1 minute |
|
Response Time |
≤20 seconds |
|
Recovery Time |
≤60 seconds |
|
Operating Temperature |
0～50℃ |
|
Working Humidity |
≤95%RH |
|
Storage Temperature |
-20～60℃ |
|
Storage Humidity |
≤95%RH |
|
Dimensions |
59×45×20mm (L×W×H) |
Working Principle
A dust sensor module is an optical electronic system designed to detect fine particles such as dust.
In principle, a dust sensor module detects the concentration of dust particles in the air by using an optical sensing method. An infrared light-emitting diode and a photosensor are optically arranged within the device. The photosensor detects the reflected infrared light from dust particles in the air, and the associated electronic circuitry delivers an output voltage proportional to dust density. This helps measure dust and smoke concentration.
It detects the reflected light from dust in the air. It is particularly effective at detecting very fine particles like cigarette smoke. In addition, it can distinguish smoke from house dust by analyzing pulse patterns of output voltage. The presence of dust can be detected through photometry based on just one pulse.
For the light detector (photodiode), a lens and a slit are positioned in front of it to filter out disturbing light and efficiently detect light reflection when measuring dust. The area where these two optical axes cross is known as the detection area of the device.
The device produces a voltage output even when no dust is being detected. This occurs because light emitted from the LED reflects off parts of the device's casing, with some portion reaching the detector. The output voltage without any detected dust is specified as voc in its specifications.
Current proportional to the amount of detected light flows from the detector, allowing for analog voltage output (pulse output) after amplification by an amplifier circuit that enhances current signals from this detector.
Application of Dust Sensor Module
Industrial Production Environment Monitoring
It monitors workshop air quality, tracks emissions, and ensures compliance with environmental standards. By providing real-time data on dust levels, it supports decision-making for ventilation, filtration, and operational adjustments.
Urban Air Quality Assessment
In urban environments, the sensor evaluates dust levels on city streets and at construction sites. This data aids urban planning and management efforts to mitigate pollution and improve public health.
Occupational Health and Safety
In industries like mining, metallurgy, and construction, the sensor monitors workplace dust exposure to protect worker health. Real-time data allows for timely interventions and adjustments to minimize exposure risks.
Environmental Protection and Research
The sensor supports research on air quality in nature reserves, helping to preserve ecosystems by monitoring dust levels. During events like forest fires, it monitors smoke dispersion and concentration to assist firefighting efforts and public safety measures.
Additional Information
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Terms Of Payment |
We usually accept T/T, L/C, Paypal, Credit card, etc. If you prefer other payments terms, please feel free to discuss with us. |
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Shipping |
We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination. |
Certificates
FAQ
We're well-known as one of the leading dust sensor module manufacturers and suppliers in China. Be free to buy customized dust sensor module at competitive price from our factory. For quotation and free sample, contact us now.
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