The Atomizer Aerosol Generator ATM 231 produces droplet aerosols with known properties according to the guideline VDI 3491-2.
Standards
VDI 4258-1
VDI 3491-2
EN 779
The ATM 231 is designed as a serial instrument with external compressed air supply. The liquid resservoir arranged within the housing.
The ATM 231 provides a moderat aerosol output for long operation time. Its design and technical solution warrants highly constant particle size distributions as well as particle concentrations with high reproducibility.
The ATM 231 is able to aerosolise various liquids, for example PAO (Emery 3004), DEHS, salt solutions, PSL-standards suspensions.
Benefits
- polydisperse aerosol, mainly submicron (< 1 µm)
- excellent stability i generation of particle size distribution and concentration
- by varyation of the nozzle pressure, the production rate can be adjusted in wide range
Applications
- testing of HEPA and ULPA filter media
- visualization of air flows (tracer particles)
Accessories
- aerosol substance DEHS
- further aerosol substances like PAO (Emery 3004) on request
| Parameter title | Unit | Value |
|---|---|---|
| setting parameter | - | system pressure |
| setting range | bar | max. 0,25 |
| setting resolution | - | continously adjustable |
| setting method | - | manual |
| aerosol, volumetric flow rate | L/h | 800 ... 1700 |
| aerosol, mass flow rate (aerosol substance) | g/h | max. 3,5 |
| operating medium, aerosol substance | - | pure liquids (DEHS, PAO, DOP, ...), solutions (salts, ...), suspensions (PSL, ...) |
| operating medium, aerosol substance - filling volume | mL | 100 ... 500 |
| operating medium, gas/air | - | dry, particle-free compressed air or compressed inert gas |
| operating medium, gas/air - compressed air supply | bar | max. 2,5 |
| environmental condition, max. counterpressure | kPa | 20 |
| hose connector, outlet | mm | Ø 11 (Innendurchmesser), Ø 14 (Außendurchmesser) |
| aerosol generation principle | - | submerged laskin nozzle |
| dimensions (w × h × d) | mm | 230 × 225 × 380 |
| weight | kg | 4,5 |
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