| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Jorgelopez | " This looks very interesting though " | Read more » | about 5 years ago | |||
| barakkasan | " Some say "partial color blindness" actually has more color intelligence than normal people you can see here: frontiersin " | Read more » | about 5 years ago | |||
| kkoerner | " Sure thing, I'll see if I can get something written up within the next week. " | Read more » | about 5 years ago | |||
| kkoerner | "So from my experience they're used primarily as a sanity check. I'm not sure of the math behind it, and since PA removed the R2 values that used to..." | Read more » | about 5 years ago | |||
| warren | " @julieta @nanocastro have either of you used 2 sensors in your DIY #plantower -based devices? #maca etc? " | Read more » | about 5 years ago | |||
| warren | "And just linking to here, where the wiki page documents the 2 channels, which i would guess are from the 2 sensors? https://publiclab.org/wiki/purp..." | Read more » | about 5 years ago | |||
| warren | "@CBarnes9 @samr @Tomp @OrionAllgaier @wu_ming2 @guolivar @BrandonFeenstra @kkoerner, any thoughts or info to share on exactly what the #purpleair d..." | Read more » | about 5 years ago | |||
| guolivar | " The particle size distribution (mass, volume or number) is very variable and even though "on average" it's fairly stable, the day-to-day variabili..." | Read more » | about 5 years ago | |||
| warren | "Thanks for this! I guess you're also implying that the mass distribution also doesn't follow any simple or predictable trends? Like, is there no ge..." | Read more » | about 5 years ago | |||
| guolivar | "Short answer ... No. Long answer ... Absolutely no! I'll try to explain why, even though it sounds possible, the uncertainties are so large that t..." | Read more » | about 5 years ago | |||
| liz | "For future readers of this thread, @samr did repost here: https://publiclab.org/questions/samr/04-07-2019/how-to-interpret-pms5003-sensor-values " | Read more » | about 5 years ago | |||
| liz | "Hi @Tomp, and thank you for replying @jeffalk. Chiming in with a link to additional documentation that @jiteovien provided on another question: htt..." | Read more » | about 5 years ago | |||
| liz | " Hi @kkoerner, you wrote above that "Taking apart a PurpleAir and swapping out sensors is relatively easy, if there's a desire for a similar guide ..." | Read more » | about 5 years ago | |||
| jeffalk | " @Tomp, I'm not sure I understand your question but "particle counters" are basically counting particles and converting the counts to densities. T..." | Read more » | about 5 years ago | |||
| cfastie | "Hi jeffalk, Thanks for pointing out that the PM10 index includes all particles smaller than 10µm. If that is true, you are correct that PM10 shoul..." | Read more » | about 5 years ago | |||
| jeffalk | " Thanks @cfastie for your comment. Some of it however is not clear to me so I'd appreciate some clarification. You write: "To be reminded that the..." | Read more » | about 5 years ago | |||
| mimiss | " Building on this in the thought of a classroom setting, students could wear simple air sensors, manually log their data, then compile it on a map ..." | Read more » | about 5 years ago | |||
| mimiss | "I wonder what the experience would be like if you wore a simple air sensor for the day? Just plugged it into your power bank, put it on a lanyard, ..." | Read more » | about 5 years ago | |||
| cfastie | "If a device based on a Plantower sensor includes hardware that allows either live numerical display or data logging, it can be a very useful tool. ..." | Read more » | about 5 years ago | |||
| nshapiro | "Just relying quickly as its late in Newfoundland. Thanks for your response! It would be great if the limitations of the device and what is still un..." | Read more » | about 5 years ago | |||
| warren | " Hi @samr, would you be able to repost your last questions on https://publiclab.org/purpleair#Questions, and we can then try to get the word out a ..." | Read more » | about 5 years ago | |||
| warren | "Ah, and regarding What kind of particulate matter do these sensors work best in (ie they tend to preform worse in traffic-dominant pm than wood smo..." | Read more » | about 5 years ago | |||
| warren | " Hi @nshapiro - these are all good questions, let me try to go through them one by one, thanks! the documentation needs to be vastly improved I'm..." | Read more » | about 5 years ago | |||
| nshapiro | " In my perspective the documentation needs to be vastly improved before answering this question. What do you mean by "high precision" in describing..." | Read more » | about 5 years ago |