Continuous flow sampling apparatus having an opening and first and second slide doors for closing the opening

Method and device for measuring pollutants contained in engine exhaust

Method and apparatus for taking slurry samples from a continuous gravity process flow, and use of apparatus

Apparatus and method for taking samples

Method of and equipment for preparing an analysis sample

Cross-belt sampler for materials conveyed on a belt conveyor

Automatic system for surveillance of coal dust supply to coal furnaces