Author Comment Last activity Moderation
nshapiro "I'm going to be loling about Poorple all night! Amazing work, chris! And yes, I believe Purple has two of the same sensors to catch any low hanging..." | Read more » over 5 years ago
nshapiro "Thanks so much, Chris! So it does look like the relationship is linear between output and ppb. here is what a friend writes who has used this tool ..." | Read more » about 6 years ago
nshapiro "Ah okie thanks! this is all waaaaay over my head. thanks for the clarification re:professional sensor outputs. I think the precision is higher than..." | Read more » about 6 years ago
nshapiro "Thank you, Chris! This is extremely helpful, although a bit disappointing that none of the DIY data loggers would work without serious fiddling or ..." | Read more » about 6 years ago