activity:pm-monitoring
activity:pm-monitoring


Author Comment Last activity Moderation
Matej "Amazing!! Thank you @warren and @matthew!! All very helpful! My bigest concern was where to get the mesh with correct hole diameter. The github is ..." | Read more » over 6 years ago
mathew "@Matej the most up-to-date information and production files are in the Github repository: https://github.com/publiclab/passive-pm The screen and m..." | Read more » over 6 years ago
warren "Hi, @matej - check out this for ways to sort particles by size using an "impactor" - https://publiclab.org/wiki/filter-pm SEM stub info: https://p..." | Read more » over 6 years ago
Matej "Hey @matthew! I am trying to build same PPM kit you guys have here. Where did you guys get the sampler stub? I understand that it is the electron m..." | Read more » over 6 years ago
mathew "You're right I had a typo-- I should have deleted the PM2.5 field. fixed, thanks. The mine was operational, and they were not loading rail cars, b..." | Read more » over 7 years ago
jeffalk "Nicely done @matthew. I'm sure you all had a lot of fun. A few comments: Sometimes the text says the monitoring is for pm10 whereas the notes say ..." | Read more » over 7 years ago
xose "Woooow!! Thanks for such a great documentation! " | Read more » over 7 years ago
mathew "Absolutely, I should have mentioned them. Here are two: $26 Ambient Weather WM-35 (discontinued, new model is WM-2), has no recording functions ..." | Read more » over 7 years ago
warren "Wow, great post, @mathew! I was looking at the weather meter and it's around $500 used (dunno if there's a better place to buy it) -- https://www.a..." | Read more » over 7 years ago
mathew "8.5"x11" PDF of this page for printing: _Deploying_Passive_Particle_Monitors-full.pdf PDF made from the Wiki according to these instructions. " | Read more » about 9 years ago