Home About Us Products Contacts ST5 / ST5 Evo - Automatic Isokinetic Samplers Automatic Isokinetic Sampler for the determination of particulate matter and other pollutants on stack emissions. The ST5 can evaluate flue gas velocity and flowrate in stacks in accordance with the most diffused international methods. More Info About Dado lab Dado lab was estabilished in 2013 by a team of people with many years of knowledge, experience and know-how in monitoring and sampling equipment for both environmental and stack emission applications. Copyright © 2013-2015 Dado lab. All rights reserved.