Comments (4)
More from Ron:
For Temperature testing and RH testing you don't need much of a lab. You can do T with a heat lamp on a large sealed baggie. For RH you do need to be able to mix wet and dry air. I can't offer access to my lab to students right now.
from air-quality.
The temperature and humidity dependence of dust sensors isn't as troublesome as it is for other kinds of sensors. The main issue is moisture increasing the size of otherwise small particles. We could attempt to quantify as part of the project (especially if we can co-locate a sensor briefly with an EPA station).
Other kinds of sensors (measuring gases) are more difficult. We know that electrochemical sensors are much better than metal oxide sensors, but they still aren't foolproof. Ken McGary has already put a lot of work into characterizing some electrochemical sensors, so we could leave that out of the project and just focus on dust/particulates.
from air-quality.
Do some research on sensor testing:
- what makes/models of sensor?
- PPD42
- PPD60
- ask Ken about others
- who do we talk to about co-locating with EPA/BAAQMD sensors? (talk to David Holstius)
- do we want air filters, etc.? (talk to David Holstius)
from air-quality.
Additional sensors mentioned by Ken:
from air-quality.
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from air-quality.