| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| liz | "@liz awards a barnstar to wln215 for their awesome contribution! " | Read more » | almost 4 years ago | |||
| JSummers | "Hi Wln213, Interesting project. First thing, when you do technical writing like this, please describe the figures in greater detail. The main figu..." | Read more » | over 4 years ago | |||
| midol | "some PMS5003 distributors specify that Mie scattering is used " | Read more » | about 5 years ago | |||
| Ag8n | "Please look at the data sheet for the purple air sensors. Specifically, the r2 data for the pm1.0, pm2.5, and pm 10. At least in the medical fiel..." | Read more » | over 5 years ago | |||
| warren | "I agree, i think it's laser scatter -- you can read @guolivar's post here for a bit more! https://publiclab.org/notes/guolivar/01-08-2018/thoughts-..." | Read more » | over 5 years ago | |||
| warren | "Hi! I had to look up "adsorb" -- (it means accumulating on the surface rather than interior) but that makes sense -- basically @guolivar, you're sa..." | Read more » | over 5 years ago | |||
| Ag8n | "The purple air monitors have a low r2 value for the pm10 testing. This may lead to the skewing that you are talking about. I corresponded with th..." | Read more » | over 5 years ago | |||
| guolivar | "Following on @jeffalk answer, please expand on your question. In my opinion (and I've worked in aerosol science for a number of years) the main poi..." | Read more » | over 5 years ago | |||
| guolivar | "As far as I know Plantower hasn't disclosed that (to be fair, I don't think any of the low-cost manufacturers has done either). From the field test..." | Read more » | over 5 years ago | |||
| jeffalk | "Hi. Given that you mention "silica" and you are at UW Eau Claire ( western wisconsin sand mining...) I take your question to really ask whether on..." | Read more » | over 5 years ago | |||
| jeffalk | "I could be wrong but I do not believe optical particle counters use spectroscopy as the method is usually described. At any rate a number of years..." | Read more » | over 5 years ago |