Access Sensor Tech.
@AccessSensor
We develop instruments to help you understand the air and environment. Some amazing successes here: https://www.accsensors.com/literature-and-publications
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Wow! Do you think people are interested in understanding indoor air quality? Our project with @NIMHD to make gold standard IAQ measurements accessible to people in their homes is taking off.
Only 1 week left to register for the "Next-Generation Tools for Measuring Exposure to Air Pollution" hosted by the HHEAR a part of NIEHS. hubs.li/Q03gh5zR0
See you soon at the Air Quality Measurement Methods and Technology Conference in Aurora, CO 4/23 - 4/25 hubs.li/Q03g9SDq0
DYK - Our product pages host manuals, firmware and links to the smart phone apps. Some files are hosted on DropBox but it's not necessary to have a Dropbox account to download these files. Click on the link at the bottom of the pop-up. hubs.li/Q034D6tG0
Amazing work from our CSU collaborator @ShantanuJathar and co-founder @Smogdr @ColoradoStateU groups. They're out using the patented UPAS air sampling products to gather air pollution information in LA. Products developed with funding from @NIEHS @NIOSH hubs.li/Q034CsWX0
Published today! 100's of 24h personal & indoor PM2.5 & PM10 measurements collected at 2 LPM w/ UPAS compared to PMIs + Apex2 pumps; Spearman correlation > 0.8, normalized mean difference < 16%. All samples collected in the Central Valley w/ CSU & @CCEJN. hubs.li/Q02ZfnB20
We just released a new version of our astr package for reading UPAS and HHB log files into R! This version won’t throw an error if you try to read an empty sample log; it will just return a data frame with zero rows. Install from GitHub! #Rstats github.com/accsensors/astr
We just posted an updated UPAS v2.1 and v2.1 PLUS User Guide. What's new? 1) An improved explanation of what happens when you start a sample from the app. 2) Advice for preparing the internal Li-ion battery for shipping or long-term storage. Download here: hubs.li/Q02YQ8fD0
accsensors.com
UPAS v2.1 PLUS
The UPAS v2.1 PLUS combines a quiet, wearable, easy-to-use particulate matter filter sampler with time-resolved location and pollution sensors.
Did you know that you can program the time-resolved PM sensor in the UPAS v2.1 PLUS to operate on a duty cycle so the UPAS can run longer on a single battery charge? Looking for advice on selecting the best setting for your sampling application? Chec... hubs.li/Q02YyqVf0
accsensors.com
Choosing the best particulate matter sensor duty cycle for your measurement application
Guidance for UPAS v2.1 PLUS users on selecting the best time-resolved particulate matter sensor duty cycle for a specific air sampling application.
How do outdoor PM2.5 concentrations measured using UPAS compare to those measured using U.S. EPA FRMs and FEMs? Very well, actually! See data from a two-week collocation at a regulatory monitoring site in Denver in our latest blog. hubs.li/Q02WPlQC0
"Future studies utilizing high-resolution data could improve the accuracy of these measurements. Heterogeneity among different studies also emphasizes the need to standardize methods for measuring PM2.5 exposure and diagnosing asthma." #weagree hubs.ly/Q02Ws8XR0
Good morning #AAAR2024! We hope you're enjoying the conference! Our Director of Research, @Jess_Tryner, will present at 8:45 this morning in Ballroom A on Personal Exposures to PM2.5 by Microenvironment among Residents of California’s Central Valley. hubs.li/Q02TLkxX0
If you live in or near Alameda County, check out this link to see if you might be eligible to receive a new induction stove and participate in a study on indoor air quality!
The Health-e Communities program is now live! Ava Community Energy is partnering with Berkeley Air to assess indoor air quality for a new gas-to-electric stove swap out program. Qualified applicants will receive a new induction range, free! Learn more here loom.ly/Csl5uXY
Another #ISES2024 talk featuring PM2.5 samples collected with our UPAS today (Thurs) at 10:00 in Level 2-Joyce: "The impacts of a coal-to-heat pump heating transition on indoor, outdoor, and personal PM2.5 exposure in 50 rural villages in Beijing, China" hubs.li/Q02TLdHk0
The day in data #ISES2024 Montreal. Sunrise (LUX sensor, pre-programmed start at 6 am sharp), walk to the conference (GPS, PM2.5, accel, temp), a bit concerning CO2 level at the poster session. Equally pleasant walk home. Ces idées qui vous ont été présentées par UPASv2.1+.
Sampling PM in challenging dusty environments? Today (Wed 23 Oct) at #ISES2024 from 2:45 to 4:00 PM you can see posters #972 and #973 on the new pre-cyclone impactor retrofit insert for our 1 LPM PM2.5 inlet. hubs.li/Q02TJHdn0
Source apportionment w/ UPAS PM2.5 samples today at 15:15 Level 2, Salon 4-5: "Source contributions as an outcome for evaluating the impact of household energy transitions: an example from a coal-to-heat pump heating energy transition in Beijing" #ISES2024 hubs.li/Q02TKWtB0
#ISES2024: Today (Wed) we're excited to see Dr. Li present on "Advancements in Personal Exposure Samplers: Enhancing Air Pollution Assessment for Public Health" at 11:30 in Level 2 - Salon 4-5. Learn more about our wearable samplers by visiting Booth #5! hubs.li/Q02TJHd80
We’re really here at #AAAR2024! Hello from Booth #214, near the coffee station by the art completion. Stop by if you’d like to try out a UPAS!
#ISES2024: Don't miss this talk at 16:15 today (Monday) in Level A-Salon 2! Dr. Xiaoying Li will present "Time- and Spatial-Resolved Personal Exposure to Particulate Matter Air Pollution: Application of Upgraded Ultrasonic Personal Aerosol Sampler (UPAS)." hubs.li/Q02TLr8l0
![bradytoday's profile picture. Tiny human on a big mission to clean our air.
Soft spot for the transformative power of clean stoves.
⚡Building Electrification @RockyMtnInst [opinions my own]](https://pbs.twimg.com/profile_images/1214270327343202305/EWo-k8_R.jpg)
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