This type of generators disperse dry dust and powders for applications that need continuous and stable dosing with high accuracy. These defined test aerosols are commonly used in aerosol science, filter testing, industrial processes, and quality assurance tasks.

Model	Particle size range (µm)	Particle concentration	Nominal flow rate (L/min)	Note
3410U	0.2 to >100	50 mg/m3 to 20 g/m3	8 to 35	Refill during operation. Cover to keep dust dry. Modular.
3410L	0.2 to >100	0.5 to 20 g/m3	25 to 67	Refill during operation. Cover to keep dust dry. Modular.
3400A	0.5 to 40	10 to 100 mg/m3	5 to 15	De-agglomeration via beads. Cyclone for respirable dust.