Bob Baxter of Technical & Business Systems describes their remote controlled quad-copter air quality monitoring sensor platform.
http://youtu.be/HwFmeASHJDU

Angelo Bianchi of Landtec explains the AQMESH remote air quality monitoring sensor unit.   
http://youtu.be/FEJQPPxoDBQ

Roger Unger of Dylos Corporation describes their portable low-cost DC 1700 LASER particle counter for PM measurement.
http://youtu.be/pTo2H_OiaOo

David Gobeli of Met One describes two of their remote sensor units.
http://youtu.be/lYe43mazgfM

Cisco Zabala of Acrobotic describes their Smart Citizen portable remote air quality monitor and software system.
http://youtu.be/Y-x_wQ92pBo

Jerry Fink of PerkinElmer Health Sciences Inc. describes their remote portable ELM air quality monitoring sensor system.
http://youtu.be/8Fwd2wTfc6M

Peter DeBarber of Horiba Instruments describes their low-cost handheld radiation monitor system.
http://youtu.be/ShFD3UNY8xo