voc
voc


Author Comment Last activity Moderation
bhamster "Thanks so much for your reply, Chris. I might give the build a try in the future, and in the meantime will dig around a bit more for existing infor..." | Read more » about 2 years ago
cfastie "I have not used a CCS-811 VOC sensor outdoors. That's mostly because I live in the woods in Vermont and the data would be boring. However the senso..." | Read more » about 2 years ago
eustatic "thanks for any answers! " | Read more » about 2 years ago
bhamster "@cfastie @sarasage The conversation you had in the comments of this post mentioned above was very helpful. Do you happen to have any updates from t..." | Read more » about 2 years ago
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cfastie "`>> CCS-811 VOC sensors do not need regular calibration or initial calibration, as they use a different technique and not laser-scattering? ..." | Read more » over 2 years ago
sarasage "Thank you so much for posting this! I purchased a couple of VOC detectors over the last week and wanted to know how the off-brand VOC detectors far..." | Read more » over 2 years ago
warren "Ooh interesting. Yeah could imagine interesting things related to, say, cleaning products, gas stoves, even paints or dry but treated surfaces... p..." | Read more » almost 3 years ago
cfastie "Here is some new data from a gas sensor. This is a module with a CCS-811 sensor (provides an estimate of total volatile organic compounds [VOC]). T..." | Read more » almost 3 years ago
cfastie "The Adafruit VOC sensor module uses a CCS-811 VOC sensor. Modules with these sensors cost about half as much when purchased on eBay from sellers in..." | Read more » almost 3 years ago
warren "Same! " | Read more » almost 3 years ago
eustatic "interested in this for sure " | Read more » almost 3 years ago
sarasage "More specifically, does anyone have experience with VOC breakout boards for Arduino? Do you prefer a different manufacturer? Do you have experien..." | Read more » almost 3 years ago
autoheydari246 "i had similar problem and resolve it by a solution you car red in: https://autoheydari.ir/representing-mvm " | Read more » almost 3 years ago
mimiss "I'm becoming familiar with the MeteoMex suite of sensors from @robert_winkler that includes tVOC monitoring and could serve as a low-cost place to ..." | Read more » almost 3 years ago
Ag8n "There are a number of other GC detectors, many of which are kind of obscure. Take a look at those and see if any fit the VOC/ TOC (total organic c..." | Read more » almost 3 years ago
Ag8n "These instruments are all based on GC detectors. So your best approach is to look at other GC detectors to see which one fits your needs. One goo..." | Read more » almost 3 years ago
warren "Wow i wasn't familiar with PID sensors. I skimmed the Wikiepedia page here: https://en.wikipedia.org/wiki/Photoionization_detector And also found..." | Read more » almost 3 years ago
stevie "Answers came in from @nshapiro "You could try a summa canister: http://summacanister.com/ (they are offered by many labs not just this one). it is..." | Read more » almost 3 years ago
stevie "Sharing info back here from @nshiparo "The air sampling tubes you're talking about are the ones that come in a glass ampule and then you pump air ..." | Read more » almost 3 years ago
sunny06606 "There is one important thing which is necessary to understand before starting any kind of business – there are always competitors. And this is good..." | Read more » almost 3 years ago
stevie "I know @mathew did some work a number of years ago exploring air flow. Here's a link to some of that material: https://publiclab.org/notes/mathew/0..." | Read more » almost 3 years ago
stevie "@nshiparo I was wondering if you have any ideas on these questions, or know who else we might reach out to? " | Read more » almost 3 years ago
Ag8n "Check with the individual sampling tubes for airflow requirements. Most manufacturers also sell hand pumps, that can be used to sample the air rel..." | Read more » almost 3 years ago