This Coulter ZM counter provides particle size analysis over a range of 0.4-800um. It can be used for both biological and industrial applications. Newer version of ZBI. 100u aperture included. Other apertures may be available special order at additional cost (70, 140, 280, 400).
The following link provides additional information from the instruction manual or original manufacturer's brochure. Images, specifications and description refer to the item as it was when new. Right-click to open the PDF in a new window or download it: http://www.labequip.com/stock/pictures/12898a.pdf