LAMINAR FLOW PATENT NEWS

BGI has been granted US Patent 7,256,882 B2 covering a Laminar Flow Device which will prevent the deposition of dust on the lenses of optical aerosol measurement devices. It is currently available in two configurations for a popular version of photometer:

LFD1 (w/ BGI 47mm Filter Holder)

LFD2 (w/ plastic 37mm Filter Holder)