particulates
particulates


Author Comment Last activity Moderation
warren "Or try to get them all on the same graph? " | Read more » over 8 years ago
warren "I pasted Grapherate live graphs for 4 sensors Mathew set up into this page: http://publiclab.org/wiki/open-air -- not sure if these are those used ..." | Read more » over 8 years ago
jeffalk "It's my understanding that the Dylos is the only monitor of those mentioned that is calibrated by its manufacturer. That implies that some comparis..." | Read more » over 8 years ago
kevintzoa "@nshapiro @mathew @marlokeno Hey, Kevin here from TZOA. I met Shannon Dosemagen of PublicLab at an EPA event last year. Happy to answer any questio..." | Read more » almost 9 years ago
warren "@mathew wrote a great overview of lots of different ways that different projects/sensors measure particulates: http://publiclab.org/notes/mathew/05..." | Read more » almost 9 years ago
nikmhanif "Hey guys. I'm building a similar system, but instead of Shinyei PPD-42, I am using SHARP GP2Y1010AU0F dust sensor. However, I am not sure whether t..." | Read more » almost 9 years ago
mathew "@nshapiro is right, there is no low cost speciation of dust particles. That is usually done in a mass spectrometer or x-ray diffraction spectromete..." | Read more » almost 9 years ago
nshapiro "I was thinking about this more on my ride home last night. Although you might not be able to say what the particulates are with an inexpensive opti..." | Read more » almost 9 years ago
nshapiro "I think you are not going to find a low cost means of speciating, of parsing kinds of particles in the air, other than their size. Speaking of ant..." | Read more » almost 9 years ago
warren "Hi - @donblair wrote up a great overview of how particulate air sensing works, here: http://publiclab.org/notes/donblair/05-03-2014/how-do-we-measu..." | Read more » almost 9 years ago
nshapiro "I think they are trying a new Indie go go https://www.indiegogo.com/projects/tzoa-wearable-enviro-tracker#/story They've raised 10 grand in the fir..." | Read more » almost 9 years ago
mathew "I don't see any images of them running the device-- seems like they demoed it under glass in January. it looks like a non-functional prototype. is..." | Read more » almost 9 years ago
nshapiro "have you come across this one before? http://www.mytzoa.com/#homepage do you know what sensors they use? It is maller and cheaper than I would ima..." | Read more » almost 9 years ago
marlokeno "This is a wonderful overview-I'm going to have to read it more than once to grasp all of this. I wonder if you could explain more for me as a non-..." | Read more » almost 9 years ago
warren "This is a great overview, thanks @mathew! " | Read more » almost 9 years ago
mathew "@jefffalk @marlokeno interested in your thoughts on this plan. " | Read more » almost 9 years ago
mathew "right above "Step 1" is a paragraph with links to the stores where parts are available. " | Read more » about 9 years ago
Paolo "Hi guys! I'm Italian and i'd like to build a Dustduino... How can I find the components of the Dustduino? " | Read more » about 9 years ago
mathew "currently the dust counts for the dustduino are unverified and should not yet be relied on for quantitative measurements. also, the sensor is desig..." | Read more » over 9 years ago
mathew "That candle protector is a great way to picture how this sensor works! I think the tiny grate on top of the sensor itself does something similar. ..." | Read more » over 9 years ago
marlokeno "Markdown In order to measure particles in sand mine areas of W. Wisconsin/ SE Minn., I noticed from a google/NASA map today that average wind spee..." | Read more » over 9 years ago
stevie "Hi Matthew! Can I use the picture of the Dustduino in a presentation I'm giving on Wednesday? Hope all is well, did you get any sent off to Wiscons..." | Read more » over 9 years ago
eustatic "woah, nice idea with the aquarium pump, looking forward to it. scott " | Read more » over 9 years ago
eustatic "great visuals " | Read more » over 9 years ago