The Met One E-Bam is a portable, real-time beta gauge which is comparable to U.S. EPA methods for PM 2.5 and PM 10 particulate measurements. The Met One E-Bam has been built to satisfy users, regulators and those from the health community by providing truly accurate, precise, real time measurement of the particulate matter automatically. In addition, it is rugged, portable, battery operated, and deployable in 15 minutes.