Those days, the problem of air purity is more and more often considered in the context of designing devices aimed at improving air quality. The reason for this is the rapid development of industry, the increase in the number of buildings and motor vehicles, and, consequently, the increased production of environmental pollutants. Sensing devices are also increasingly found in air quality monitoring applications. Compared to conventional methods, with the help of our sensors, you can perform air pollution measurements at a low cost anywhere. In both residential and working buildings, sensors of air quality parameters such as dust or the presence of gases dangerous to health and life, in order to ensure safety, cooperate with acoustic signalling, which is activated when the sensor detects exceeding the permissible level of pollutants in the air. Our store's offer includes sensors with high accuracy in measuring air quality parameters. Such sensors make it possible to build a comprehensive station to measure the parameters of environmental conditions in real-time. An additional advantage is the compatibility of the sensor modules with popular platforms for embedded systems, such as Arduino and Raspberry Pi.
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Air quality sensors
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Dust/air quality sensor PM1.0 / PM2.5 / PM10 - PMS5003 - 5V UART
Sensor of dust allows monitoring the air quality, measures the ratio of PM1.0, PM2,5, PM10. Equipped with a sensor that could detect particles with diameter more than 0.3...
Index: MOD-06797
Index: MOD-06797
Adapter IDC 10pin 1.25mm - JST 1.25mm for PMS7003 sensor
The adapter allows for signal transmission from the connector IDC 10 pin on JST connector with a pitch of 1.25 mm and has four pins for soldering the goldpin of 2.54 mm....
Index: DNG-10927
Index: DNG-10927
Dust/air purity sensor PM1.0/PM2.5/PM10 - PMS7003 - 3.3V UART
Dust sensor allows you to monitor the purity of the air, measures the PM1.0, PM2.5, PM10 . Equipped with a sensor enabling detection of particles with diameter above 0,3 μm,...
Index: DNG-18373
Index: DNG-18373
DIY kit for smog sensor - air purity sensor PM2.5 and PM10
The kit allows to build your own meter of smog. The kit includes wi-fi ESP8266 module + NodeMCU v3, the sensor PMS7003, adapter for the PMS sensor, humidity sensor, microUSB...
Index: SES-13434
Index: SES-13434
IDC 10pin 1,27mm - microUSB adapter for PMS7003 sensor
The adapter allows for signal transmission from the connector IDC 10 pin on the microUSB connector that allows to connect the sensor directly to the computer. The module is...
Index: DNG-13445
Index: DNG-13445
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Adapter IDC 10pin 1.27mm - JST 1.25mm + connectors for PMS7003 sensor
The adapter allows for signal transmission from the connector IDC 10 pin on JST connector with a pitch of 1.25 mm and has four soldered goldpin pins of 2.54 mm. Module can be...
Index: DNG-13747
Index: DNG-13747
BME680 multi-functional 4in1 environmental sensor - SPI / I2C - DFRobot SEN0375
A 4-in-1 MEMS multifunctional environmental sensor manufactured by DFRobot. It features an embedded BME680 chip. The module is a combination of a volatile organic compound...
Index: DFR-19199
Index: DFR-19199
SGP40 gas sensor is used as an instrument to monitor indoor air quality . It allows to monitor the concentration of volatile organic compounds (VOC ) present in the air. The...
Index: ADA-18998
Index: ADA-18998
Laser dust/air pollution sensor SDS011 PM2.5 - 5V UART/PWM
The laser dust sensor for the control of air purity. Allows to detect particles with diameter more than 0.3 μm, designed to measure PM2.5 and PM10. It has a fan that sucks the...
Index: SEN-08333
Index: SEN-08333
Air quality / dust sensor PM1.0 / PM2.5 / PM10 - PMS3003 - 5 V UART
Dust sensor allows monitoring the air quality, measures the PM1.0, PM2,5, PM10 coefficients. Equipped with a sensor that could detect particles with diameter more than...
Index: DNG-13442
Index: DNG-13442
IDC adapter 10pin 1.27mm - JST 1.25mm + v2 connectors for PMS7003 sensor
The adapter allows for signal transmission from the connector IDC 10 pin on JST connector with a pitch of 1.25 mm and has four soldered goldpin pins of 2.54 mm. Module can be...
Index: DNG-13746
Index: DNG-13746
Dust / air quality sensor PM1.0 / PM2.5 / PM10 - 5V UART - PlanTower PMSA003-C
Laser dust sensor for determining the degree of purity of the air . Manufactured by PlanTower, it enables precise analysis of pollution in the environment. PMSA003-C...
Index: PLA-19587
Index: PLA-19587
Compact Optical Dust Sensor GP2Y1010AU0F
Sensor of dust that allows you to monitor the purity of the air. It is equipped with a sensor with a sensitivity of 0.5 V 0.1 mg/m3, for example, cigarette smoke. The system is...
Index: SEN-08587
Index: SEN-08587
Dust / air quality sensor PM2,5 - 5V UART - PlanTower PMS9103M
The dust sensor module allows you to determine the air quality . It measures the concentration of PM2.5 particles and detects particles with a diameter of 0.3 μm, such as...
Index: PLA-17768
Index: PLA-17768
Laser dust/air sensor PM2.5 / PM10 SDS011 - 5V UART/PWM
The laser sensor of dust for the control of air purity. Allows to detect particles with diameter more than 0.3 μm, designed to measure PM2.5 and PM10. It has a fan that sucks...
Index: SEN-08332
Index: SEN-08332
Dust / air quality sensor - PM2,5 PMS1003 - 5V UART
Laser dust sensor that allows you to monitor air purity in real time. It measures PM2.5. The system is powered by 5 V, while the interface works with 3.3 V and communicates...
Index: PLA-14485
Index: PLA-14485
Pico Enviro + Pack is an overlay for Raspberry Pi Pico equipped with an environmental sensor BME688 and a light and sound sensor. In addition, the board features a 1.54 "...
Index: PIM-21933
Index: PIM-21933
Anemometer / anemometer Benetech GM816 - 6-arm rotor
Anemometer / wind gauge is used to measure the movement of gases, the flow rate of air. The device has a 6-arm rotor, which, due to gas flow, begins to rotate. Measurements are...
Index: BNT-10764
Index: BNT-10764
Gravity - ozone sensor I2C - electrochemical - DFRobot SEN0321
Electrochemical ozone sensor for accurate O3 concentration measurement in the environment. Its measuring range is from 0 ppm to 10 ppm. It communicates via the I2C...
Index: DFR-16575
Index: DFR-16575
Dust / air quality sensor PM1.0 / PM2.5 / PM10 - 5V UART - PlanTower PMSA003-A
Dust sensor module that allows you to measure the degree of air purity. Enables precise analysis of the pollution in the environment, measures the concentration of PM1.0 /...
Index: PLA-17769
Index: PLA-17769
Precise device detecting the flammable gases such as natural gas, propane, butane, methane, propanol, ethanol, ammonia, carbon monoxide, gasoline vapors, hydrogen sulfide. It...
Index: BNT-10771
Index: BNT-10771
MQ-135 alcohol, benzen, ammonia sensor module - semiconductor - Waveshare 9528
Module with sensor MQ-135 detecting benzene, alcohol and smoke. It is powered with the voltage from 2.5 V to 5 V. It has digital and analog output, making it compatible with...
Index: WSR-05520
Index: WSR-05520
IDC 10pin 1,27mm - microUSB adapter for PMS7003 sensor - soldered pins
The adapter allows you to transfer the signal from the IDC 10 pin connector to the microUSB connector, this allows you to connect the sensor directly to your computer. The...
Index: ZES-16479
Index: ZES-16479
Oxygen Sensor I2C - DFRobot SEN0322
Sensor designed for measuring O2 concentration in the environment. The DFRobot product is compatible with 3.3 V and 5 V controllers such as Arduino, ESP32 or Raspberry...
Index: DFR-17378
Index: DFR-17378
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What are the air purity sensors currently used for and how do they work?
Currently, several types of air purity sensors are used - among them there are electrochemical sensors, in which the measurement process consists of a chemical reaction of gases contained in the air with a measuring electrode placed in a liquid medium. In resistance and semiconductor sensors based on metal oxides, gases in the air react with the sensor surface, changing the resistance of its secondary measuring circuit. Another structure used in air quality monitoring is the photo-ionization sensor. Its operating principle is based on the ionization of volatile organic compounds, which in turn causes an electric current to flow in the secondary measuring circuit of the sensor. Air pollution can also be monitored by means of optical sensors that monitor how much gas or dust particles present in the air affect the splitting of light. Optical sensors can detect the presence of carbon monoxide (carbon monoxide) and carbon dioxide by measuring the amount of infrared light absorbed.
What factors affect the accuracy of measurements by sensors that monitor air quality parameters?
The parameters of the measurement signal coming from air purity sensors are influenced not only by the concentration of gases and clouds of dust in the air of interest to us but also by other environmental and hardware factors, such as the presence of substances undetectable by the sensors that may introduce measurement disturbances, temperature, humidity, pressure, as well as the signal drift depending on the electromagnetic compatibility parameters of the measurement system - e.g. in case of high air pollution, the measurement signal may be weakened by particles of other substances in the air, which may cause a measurement error. The accuracy of the measurement is also influenced by the design, construction, purpose of the sensor and the measuring system cooperating with it, including e.g. a microcontroller. Due to fluctuations in environmental conditions, sensor calibration alone may not be sufficient, and obtaining accurate and similar measurement results under similar environmental conditions, albeit in different measurement locations, may prove difficult to achieve. Despite this, gas, dust and air purity sensors successfully meet the hardware parameters of professional environmental monitoring stations. Air pollution sensors that are offered by our store are also an excellent offer for all enthusiasts of electronic metrology. If you like to design and build measurement systems, our range of measurement sensors will surely interest you. The air quality measurement sensors available in the Botland store are compatible with Arduino boards, and communication takes place via the I2C, UART interface, as well as the ADC converter.