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colorimetric
colorimetric


Author Comment Last activity Moderation
websofttutorials "Very helpful and interesting post. low cost screening product. keep post more informative post. A2 Hosting coupon " | Read more » over 2 years ago
warren "Hi @read_holman - just dropping some links in here after chatting! Very cool rigorous field evaluations of many many air sensors: http://www.aqmd..." | Read more » over 3 years ago
read_holman "Hey @warren - Just realizing I never replied to your comment. I definitely think a small accessible evaluation (haven't heard that phrase before, ..." | Read more » over 3 years ago
warren "Hi @read_holman! Sorry to respond slowly here. I do think we could try for an accessible evaluation. How much would it cost to buy 2x of each of t..." | Read more » over 3 years ago
Ag8n " A good step forward. Congratulations! Maybe @falbriard could use these ideas for some of his work. " | Read more » over 3 years ago
nshapiro " @nshapiro has marked @haines241 as a co-author. " | Read more » over 3 years ago
nshapiro " @nshapiro has marked @gretchengehrke as a co-author. " | Read more » over 3 years ago
zengirl2 " Happy to see that the light conditions were a minor issue. I would love to get another sensor to re-test my bedroom to see what the reading is now. " | Read more » over 3 years ago
hamza151 " Nice information. If you really want to buy new mobile then visit the site. https://kokania.com/product-category/digital/accessories-digital/mobil..." | Read more » over 3 years ago
mathew "forgot to add a link-back here: I made a smaller version of the card on the formaldehyde kit for borrowing: download pdf " | Read more » about 7 years ago
warren "Can you test filling one out and taping a tube to it, and photographing it in landscape? For the video. Maybe on a carpeted floor or a wood table, ..." | Read more » over 7 years ago
nshapiro "I think the sensor is at the back so we might want it to be popped out of the case so that we don't just pick up the heat from the pump. " | Read more » over 7 years ago
nshapiro "The round meter appears to be inaccurate. here are some test photos: " | Read more » over 7 years ago
nshapiro "This looks great! Thanks! The thermometers arrived today. Will bring them in and photograph them tomorrow. " | Read more » over 7 years ago
warren "Hi, I wasn't able to edit the tube graphic very well on my laptop but here are some of the other changes; I hope it's good enough for your immediat..." | Read more » over 7 years ago
warren "I see the most contrast in color in the first two images. I'll see about a new version after the staff call in 20 mins. " | Read more » over 7 years ago
nshapiro "Maybe I was wrong! The glare seems to be worse on the back background. Which looks best to y'all? only the outer two mm or so is transparent so ma..." | Read more » over 7 years ago
nshapiro "Here are the test photos on an old tube. Its not a perfect test because the rest of the tube may not be the same substance as the rest of the tube ..." | Read more » over 7 years ago
warren "I'm not sure I can tackle the complete redesign on a smaller card just yet, as I am just on my laptop this week. But I can change the text. Nick, ..." | Read more » over 7 years ago
danbeavers "Nick: I am not disputing your background observation but why do you think the vendor says a light background and compare it to an unused tube? " | Read more » over 7 years ago
nshapiro "Small edits to the card: we can delete the "within 2 degrees" helper text. we can reduce size (thus increasing detail of tube) of the card zip c..." | Read more » over 7 years ago
warren "Discussed on the call today having a pad of note pages attached to the lid of the box in the illustration above. The last two thermometer/hygromete..." | Read more » over 7 years ago
mathew "if, for the library, we're going to mount everything in a box with a face plate, lets look at how we can integrate the tube's scale and the thermom..." | Read more » over 7 years ago
nshapiro "Great. I've ordered the last two as they have the accuracy we need--will report back by the end of the week. way cheaper than the one i had found. ..." | Read more » over 7 years ago