A device for
monitoring dust emissions. Also the equipment used to remove and collect dust from process exhaust gases; this may employ simply
sedimentation (dustfall jars, coated slides, papers, etc.), inertial separation (cyclones, impactors, impingers, etc.),
precipitation (thermal and electrostatic) or
filtration.
Source:
PAC, 1990, 62, 2167
(Glossary of atmospheric chemistry terms (Recommendations 1990))
on page 2185