I was appointed, and requested, the job of redefining the existing air sampler. What this means is that I will recreate the device using the existing concept, but make it more 'police-friendly.' Our Project Partner decided that this device needed to be more rugged, smaller, and less loud/annoying to operate.
What I plan on doing, now that I have the device in my posession, is to take many measurements, observations and photos to create an image in some form of CAD software. This way I can play with my design with out altering the current progress from last semester.
My main goal is to have with in a couple weeks, a working design to the clients specifications, but also to improve on what I currently have. I propose to do this is that I will do away with the plastic casing and create one from machined metal, hopefully to be designed and donated by CDS machining, and to have all connections on the device to be threaded, rather than a pressure fit. This should allow for a very simple and quick design for testing with the mass spectrometer and also with the durability of the product. The sorbent tubes will hopefully fit into a brass housing that I can find at ACE Hardware for a relatively cheap cost. I'm looking into brass gas fittings as well as AC unit fittings. Each are cheap and easy to come about.
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