| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| guolivar | "You're right, the effect of humidity would be to change the "apparent" size but it's not just increasing the number of particles that now fall in t..." | Read more » | almost 7 years ago | |||
| jeffalk | " My quick perusal of the attached pdf didn't find anything about effects of humidity. What you say about humidity effecting size makes sense but ..." | Read more » | almost 7 years ago | |||
| stevie | "Hi Jeff, thanks! This is great. I'll copy the question link into that email chain as well. Think some of the readers there would be interested, it'..." | Read more » | almost 7 years ago | |||
| stevie | "Wow. These are awesome resources!! Thanks for clarifying the seeing/sizing distinction. " | Read more » | almost 7 years ago | |||
| guolivar | "Yes, environmental conditions do affect the ability of an optical sensor, not too much to "see" a particle but rather to "size" it. All of these o..." | Read more » | almost 7 years ago | |||
| jeffalk | " Yes is the simple answer: high humidity and/or moisture can effect particulate counts by raising them. Once you accept this the next step is how..." | Read more » | almost 7 years ago |