ATM 241 Aerosol Generator

Atomizer Aerosol Generator ATM 241 for aerosol generation from liquids, compressed air operated, very high mass flow rates, operation with 1 to 4 nozzles

The Aerosol Generator ATM 241 produces droplet aerosols with known properties according to the guideline VDI 3491.

The designs and technical solutions warrant highly constant particle size distribution as well as particle concentration with high reproducibility and a high aerosol output.

The generators of series ATM 241 enable to atomize various liquids, for example PAO (Emery 3004), DEHS, PSL-suspensions, and saline solutions (limited suitability).

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Standards

VDI 3491-2
VDI 2083
ISO 14644-3

Download topas-241-ATM-productsheet-en-1.pdf

Benefits

polydisperse aerosol mainly below 1 µm
excellent constant particle size distribution
defined and high particle number concentration
by varying of nozzle pressure and the number of switched-on nozzles one can adjust both particle production rate and within narrow limits the particle size distribution

FAQs

Principle

Heart of the generator is new, patented ring slit nozzle, which allows based on its geometry the generation of finest aerosols. Compressed air is blown through a 100 µm thin ring slit into the liquid to be nebulized. Because of high air velocities at the circumjacent breaking edge, the resulting under pressure drags the liquid along. Shear forces acting between air jet and the liquid at the circumference of this so-called ring slit nozzle form the droplet aerosol. Coarse droplets are prevented from leaving the liquid through inertial effects inside the produced small bubbles.

Technical data

Parameter Title	Unit	Value
aerosol, volumetric flow rate	L/h	2000 ... 40000
aerosol, particle size range	µm	0,1 ... 0,5 (DEHS)
aerosol, mass flow rate (aerosol substance)	g/H	20 ... 240 (DEHS)
operating medium, gas/air	-	dry, particle-free compressed air
operating medium, gas/air - compressed air supply	bar	max. 8
operating medium, aerosol substance	-	liquids (DEHS, PAO, ...), solutions (NaCl, KCl, ...), suspensions (PSL, ...)
operating medium, aerosol substance - filling volume	mL	4700 ... 8000
other	-	4 nozzles, individual or combined operation
hose connector, outlet	mm	Ø 25 (outer diameter)
dimensions (w × h × d)	mm	6,2
weight	kg

Accessories

aerosol substance DEHS
further aerosol substances e.g. PAO (Emery 3004) on request

ATM 241 Aerosol Generator

ATM 241 Aerosol Generator

Standards

Benefits

Applications

FAQs

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