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| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| 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 » | about 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 » | about 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 » | about 2 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 » | about 2 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 » | about 2 years ago | |||
| warren | "Same! " | Read more » | about 2 years ago | |||
| eustatic | "interested in this for sure " | Read more » | about 2 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 » | about 2 years ago | |||
| autoheydari246 | "i had similar problem and resolve it by a solution you car red in: https://autoheydari.ir/representing-mvm " | Read more » | about 2 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 » | over 2 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 » | over 2 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 » | over 2 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 » | over 2 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 » | over 2 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 » | over 2 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 » | over 2 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 » | over 2 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 » | over 2 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 » | over 2 years ago | |||
| Ag8n | "In industry, we commonly used draeger tubes to measure for a number of contaminants. There are other companies that make less expensive versions o..." | Read more » | over 2 years ago | |||
| monikaroymoni186 | "Thanks for sharing this article it was very helpful. Call Girls in Gurugram | 100% Hot Model Girls Service 24/7 Best Royal Escorts services in Guru..." | Read more » | over 2 years ago | |||
| social_equinoxlab | " Nice post buddy !! Really informative !! you can also check out this website for more info !! Indoorairqualitymonitoring.in " | Read more » | over 3 years ago | |||
| liz | "Hi @mprof9, if you post your project following the template above, people can start asking questions and collaborating! sensor calibration is a big..." | Read more » | over 3 years ago | |||
| warren | "Wow, that's great -- if you'd like to build out more about it, feel free to upload more photos and potentially create a page about it using one of ..." | Read more » | about 4 years ago |