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Winsen focuses on the development and innovation of sensors. Committed to providing unique solutions in various fields.
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Dust Sensor Factory in China
Winsen provides detectors; fresh air systems, smart homes; air purifiers and other fields of dust sensor solutions.
For PM2.5 detection
A good helper for environmental protection
Various installation methods
Construction area of 30,000＋ square meters
Send Inquiry NowWinsen Dust Sensor
Winsen dust sensors are small in size, light in weight, easy to install, and simple to maintain.
Our dust sensor adopts high-precision light source, and the gas path design has strong stability, good consistency and various output methods. It is convenient for product development to meet the needs of different national standards.
If you have customized needs, please feel free to contact us.
Winsen Dust Sensor Series
Picture
Model
Range
Feature
Dimension
Application
Advantages of Dust Sensor
High Precision
Adopt segment control algorithm and add temperature compensation function
Quick Response
Provide UART, PWM and other output methods. The fastest response time < 5s
Various Options
Provide sensor integration solutions to meet customer needs
Various Installations
A variety of air inlet and outlet installation directions
Principle of dust sensor
The dust sensor is a sensor that measures the particle content in the gas based on the Mie scattering principle.
Mie scattering is the scattering that occurs when particles in the atmosphere have a diameter comparable to the wavelength of radiation. This scattering is mainly caused by particles in the atmosphere, such as smoke, dust, water droplets and aerosols. The scattering intensity of Mie scattering is inversely proportional to the square of the wavelength, and the scattering is stronger in the forward direction of the light than in the backward direction, and the directionality is more obvious.
Dust sensor type
Dust sensors can be divided into infrared dust sensors and laser dust sensors according to the wavelength of the emitted light used. According to the sensor application field, it can be divided into: civil field, environmental protection field, vehicle field, atmospheric monitoring, etc.
The infrared dust sensor has low cost and long service life, and is suitable for civil equipment. The laser dust sensor has a fan, and the intake air flow is relatively stable, so the data accuracy is high.
Dust sensor application scenarios
Winsen dust sensors are mainly divided into indoor, outdoor and in-vehicle fields.
Infrared dust sensors are affected by performance and low price, and are mainly used in home purifiers and home air conditioners.
Laser dust sensors are used in dust detectors, purifiers, fresh air systems, portable instruments, smart homes, commercial air conditioners and other fields.
How Winsen guarantees the quality of dust sensors
Winsen dust sensors have good consistency and high sensitivity. They will be aged, calibrated, tested and packaged before leaving the factory, and then transferred to the warehouse for delivery. If the sensors are placed in the warehouse for more than 7 days, we will calibrate and test them again to ensure the quality of the product.
In addition, Winsen dust sensors are tested for operational stability and consistency.
Working stability test: The dust sensor is continuously energized for 15D, and the zero output range and relative error are measured.
Consistency test: Record the output value of the sensor 6 times at each concentration of 50, 130, and 260 μg/m³, a total of 18 times, and take the maximum value to detect the description of the accuracy.
We can provide you with professional advice in different industries.
Winsen，Create Value for Customers
7 sensor series
200+ categories
300+ indicator detection
From AR E***r
the sensor is excellent and the delivery service worked perfectly. Use DHL and it arrived in 12 days, very good delivery service
27 Mar,2023
From EE L***o
First impressions very positive, easy to use, display perfect and seems to work perfectly.
11 Apr,2023
From RU A***n
Выглядит симпатично, есть регулировка яркости экрана. Данные ppm более менее совпадают с другими моими датчиками (mh-z19). Можно доверять показаниям co2. Температура и влажность не совпадают с другими датчиками, но очень близкие показания (различие в 1 градус, и до 5% влажности. Точность сойдёт для бытового использования.
18 May,2023
From NL N***n
Works great and I trust it's accuracy.
25 Mar,2022
From RU V***o
Item as described. Good seller. Nice to deal with.
18 Mar,2022
From US R***r
Works as replacement for sensor used in Invisiclean. Shipped quickly and was well packaged.
22 Jul,2022
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Dust Sensor Guide
We have summarized the following questions to help you make better choices.
What is the function of the triangular hole in the middle of the infrared dust structure?
The triangular hole is the lens cleaning port. When using the infrared dust sensor, in order to maintain the consistency of the sensor data, we recommend that you clean the lens on time and cover the triangular hole with black cotton to prevent external light from entering the sensor and affecting the value.
How to install the infrared dust sensor correctly?
①The infrared dust sensor must be installed vertically;
②Keep away from artificial air flow such as fans. When used in air purifiers, the front and rear of the fan cannot be installed. It can be installed on the side of the casing, but the air vents should be reserved on the casing to ensure that the external airflow can smoothly enter the sensor;
③ Avoid light;
④ Pay attention to avoid organic particles from entering the module during installation. When such particles stick to the optical components, it will cause malfunction.
⑤ Avoid getting wet.
Under the same environment, why is the output value of our laser dust sensor and other sensors different?
①Check whether the power supply of the sensor is normal;
②Whether there is a drop of the sensor during use;
③Check for foreign objects inside the fan.
How to choose a dust sensor from Winsen?
① The standards adopted by different dust sensor manufacturers are different.
② Our company's standard equipment will be calibrated every year to ensure the continuity of accuracy. The TSI of different manufacturers is also different. TSI8530 can adjust the coefficient. The coefficients used by each manufacturer are different, so the calibrated sensors are also different.
③ If customers have different needs, we can make adjustments according to specific needs.
What calibration methods are available for dust sensors?
Dust has become popular under the background of severe haze in 2014. Winsen infrared dust sensors mainly include ZPH01, ZPH02, ZPH03, ZPH04. Laser dust sensors are divided into ZH03 series, ZH06 series, ZH07 series, and ZH08 series according to different fans and air inlets and outlets.
The infrared dust sensor has a long life, low cost, rich interface output methods, and good long-term stability; while the laser dust sensor has high precision, good consistency, and fast response speed, and can output PM1.0, PM2.5, and PM10 at the same time, but the lifespan is shorter than infrared dust sensors.
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Address:No.299 Jinsuo Road, National High-tech Zone, Zhengzhou.