Air Quality Multi-Sensor - PM2.5, Formaldehyde, Temperature & Humidity - Cover Expand

Air Quality Multi-Sensor - PM2.5, Formaldehyde, Temperature & Humidity

DFRobot DFRobot

9MDFGLPM2.5AQ

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This awesome Air Quality Multi-Sensor integrates a range of sensors to detect particulate matter, Formaldehyde, Temperature & Humidity simultaneously!

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As most of you knowledgeable Makers will already have realised, the world is rapidly becoming more industrial, productive, efficient and subsequently more awesome by the day, and while we can’t help but love the exciting progress that the human race is making, the by-product of this progress is of course more pollution. This is why we have recently started focusing on bringing in more Environmental Sensors and Air Quality Sensors to our catalogue, such as this extremely awesome Air Quality Multi-Sensor, which is capable of measuring PM2.5 (Particulate Matter), Formaldehyde, Temperature & Humidity simultaneously.

This sensor consists of three main components, with the first being a scattered laser shining past a channel of flowing air, the second being the integrated electrochemical sensor, and finally an on-chip sensor that specialises in temperature and humidity. The laser helps to identify extremely tiny particles in the air measuring between 0.3μm and 10μm by measuring the light received by a photosensitive diode on the other side of the channel, while the electrochemical sensor is focused purely on detecting and measuring the levels of formaldehyde in the air. This combination of three key Sensors make this multi-sensor almost entirely standalone, with the only extras that you need being the Power Supply or batter pack, and the microcontroller (we recommend and Arduino Board) to integrate this multi-sensor into whatever project you’re planning.

 

Air Quality Multi-Sensor  -  Technical Specifications:

  • Operating Voltage

– 5V ±0.5V                                                                                      

  • Operating Current

– 100mA

  • Quiescent Current

– ≤200μA

  • Typical Response Time

– ≤10s

  • Baudrate

– 9600bps

  • Digital Logic Levels @ 3.3V

– Low < 0.8V

– High > 2.7V

  • PM2.5: Measuring Range

– 0.3 to 1μm

– 1 to 2.5μm

– 2.5 to 10μm

  • PM2.5: Particle Count Efficiency

– 50% @ 0.3μm  |  98% @ ≥0.5μm

  • PM2.5: Effective Range

– 0 to 500μg/m3

  • PM2.5: Max Range

– >0 to 2000μg/m3

  • PM2.5: Particle Resolution

– 1μg/m3

  • PM2.5: Max Consistency Error

– ±10%@100~500μg/m³ ±10μg/m³@0~100μg/m³

  • PM2.5: Standard Volume

– 0.1L

  • Formaldehyde: Measuring Range

– 0 to 1mg / m3

  • Formaldehyde: Max Range

– 0 to 2mg / m3

  • Formaldehyde: Resolution

– 0.001

  • Formaldehyde: Max Consistency Error

– ≤5%

  • Temperature: Measuring Range

– -10° to +50°C

  • Temperature: Resolution

– 0.1°C

  • Temperature: Max Error

– ±0.5°C

  • Humidity: Measuring Range

– 0 to 99%

  • Humidity: Resolution

– 0.1%

  • Humidity: Max Error

– ±2%

  • Included Extras

– 8-Pin Interfacing Cable

– PM2.5 Adapter Module

  • Safe Operating Temperatures

– -10° to +60°C

  • Expected Operational Lifespan

– ≥3 Years

  • Weight

– 50g

  • Dimensions

– 50 x 38 x 21mm

 

Typical Applications for this Awesome Air Quality Multi-Sensor:

This fantastic air quality multi-sensor is ideal for a wide range of different applications, but as you may have suspected, it’s main purpose is to assist with improving, monitoring or carefully controlling the quality of breathable air of spaces in which people work, live and interact with each other. This helps to boost productivity of people within these spaces, making them happier and less prone to the common ailments of stale or slightly toxic air, and this can be extremely important for spaces such as factories and workshops, but also extends into standard offices, homes or even the garage or workstation where you enjoy all of your favourite hobbies.

 

Additional Resources:

  • This is the fantastic DFRobot PM2.5 Air Quality Multi-Sensor Wiki Page, containing a wealth of information and insights into how this unit works, how to interface with the adapter board, as well as how to get it up and running with an Arduino board.
  • For more information regarding general air quality health and safety, this awesome Air Quality PM2.5 Reference Chart from AQICN is made to help non-professionals understand the various levels of air quality and how each level can affect us.

 

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Air Quality Multi-Sensor - PM2.5, Formaldehyde, Temperature & Humidity

Air Quality Multi-Sensor - PM2.5, Formaldehyde, Temperature & Humidity

As self-proclaimed “Robo-holics”, DFRobot is a company comprised of over 100 staff members, of which 30% are engineers who love to build robots. It was started in 2008 with the goal of embracing and promoting open-source hardware, with a core focus on Arduino, Raspberry Pi and their very own LattePanda development boards. Since then, DFRobot have manufactured over 1300 unique modules, sensors and components that all work together and complement each other, allowing users like us to enjoy a full spectrum of cutting edge robotics and electronics without having to pay premium prices.


With the primary goal of developing and manufacturing great quality products, while making them accessible to as many people as possible, DFRobot are rapidly becoming one of the most common-place brands in the world of open-source robotics and electronics. With more than 1300 products developed in-house, and an impressive range of different categories and specialisations, there are few brands in the world who can compete in terms of quality, accessibility and genuine innovation.