
This device must accept any interference received, including interference that may cause undesired operation.Ĭhanges or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.įCC Interference Statement (Part 15.105 (b)).This device may not cause harmful interference, and.Operation is subject to the following two conditions: This device complies with Part 15 of the FCC Rules.
Purple air software#
We also provide a software tool to help work with this data here.Ĭontains Transmitter Module FCC ID: 2AC7Z-ESPWROOM02D More information on working with SD data is available here on the PurpleAir community site. Insert the SD card into a computer to access the csv and data files. Remove the microSD card by pushing it in to unlatch and then pull out with tweezers. Pressure, Temperature, Humidity, & Gas Sensorīuilt-in SD Card Logger & Real-time Clock Maximum consistency error (PM2.5 standard) This device contains two particle detectors to provide redundancy and help determine sensor health. A Class 1 laser is safe under all conditions of normal use. If you need a pre-formatted SD card, you can find one here.ĥV USB Micro, 0.18A continuous, 600mA peakĬlass 1 Laser. Any card up to 64GB, class 10 or better will work, and must be formatted with a FAT32 file system.

The FLEX sensor does not come with an SD card. Find a suitable OUTDOOR-rated adaptor here or use your own USB power source (any 5V, 1.2 to 2.4 amp adaptor will work). Please note: This sensor does not come with a power adaptor. The PurpleAir Flex features user-replaceable PMS6003 laser counters and an expansion port that allows easy swapping of the temperature sensors (yes, there are two) or expands the sensor's capabilities in the future. Built-in WiFi enables the air quality monitor to transmit data to the real-time PurpleAir Map, which is stored and made available to any smart device.įor locations with limited WiFi access, the PurpleAir Flex PM2.5 measurement device incorporates real-time clock and SD card capabilities, allowing the sensor to record and store data on a microSD card.

Containing a full-color LED, the resulting glow indicates real-time air quality at a glance and can be installed indoors or outdoors. Testing the correction scheme for the research data set of wildland fire smoke events revealed that the corrected data compared closely with the reference monitors and produced similar NowCast AQI categories.The PurpleAir Flex is the latest air quality monitor from PurpleAir, measuring real-time PM2.5 concentrations for residential, commercial, or industrial use. For the national data set of sensors collocated with regulatory-grade monitors, results show that PurpleAir sensors, when corrected, accurately report NowCast AQI categories 90% of the time as opposed to uncorrected PurpleAir data, which are accurate only 75% of the time. Hourly NowCast Air Quality Index (AQI) categories are calculated using the raw and corrected PurpleAir PM2.5 concentrations, as well as for the collocated reference monitor. Results suggest that the PurpleAir raw PM2.5 data overestimate PM2.5 by ~60% in most states under various conditions.
Purple air series#
A secondary data set was included to test the data correction scheme for wildland fire smoke conditions (including wildfires and prescribed burns) – a series of research field deployments of PurpleAir sensors collocated with temporary smoke monitors that are of near-regulatory grade quality (EBAMs and E-Samplers). Here, we use data from PurpleAir sensors collocated with regulatory-grade monitors across the United States to develop quality assurance checks and a multi-linear correction equation (including temperature and relative humidity) for PurpleAir PM2.5 data. The performance of these sensors must be evaluated during smoke impacted times, and nominally corrected for bias if necessary, to ensure accurate data are reported to inform appropriate health protective actions.


PurpleAir particulate matter (PM) sensors are increasingly used in the United States and other countries by a variety of individuals and organizations for continuous monitoring of ambient air pollutant conditions, with additional sensors often deployed for monitoring during wildfire smoke episodes.
