Home Precision Environment Aerosol Generation & Conditioning ATM 240/L Suspension Aerosol Generator
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Topas GmbH Special Liquid Aerosol Generators for Filter Testing

ATM 240/L Suspension Aerosol Generator

High-concentration suspension aerosol generator with integrated drying for producing PSL and other solid-particle aerosols in EN 1822 and ISO 29463 filter-efficiency testing.

Aerosol flow
10,000–24,000 L/h
Mass flow
Max. 130 g/h
Aerosol medium
Particle suspension
Conditioning
Integrated drying
High-concentration PSL Integrated dryer ISO 29463 EN 1822
ISO 29463-3 ISO 29463-4 EN 1822-4 VDI 3491

Model Overview

Model Group Positioning Core fit
ATM 240/L High-concentration suspension aerosol generator with dryer High-output generator for PSL and compatible suspension aerosols with integrated droplet drying HEPA and ULPA efficiency testing, MPPS measurements and solid-particle filter challenge

Key Features

High-concentration suspension output

Generates high particle concentrations from PSL or compatible suspensions for filter testing.

Integrated aerosol drying

Removes carrier-liquid droplets to form a solid-particle challenge aerosol downstream.

Large aerosol flow

Provides 10,000–24,000 L/h for high-volume filter-test systems.

Standards-oriented design

Configured for HEPA and ULPA efficiency measurements under EN 1822 and ISO 29463 procedures.

Technical Specifications

Parameter Unit Value / Description
AEROSOL GENERATION
Aerosol substance PSL and compatible particle suspensions
Nozzle pressure hPa 750–2,500
Aerosol volumetric flow rate L/h 10,000–24,000
Aerosol-substance mass flow rate g/h Max. 130
Conditioning Integrated droplet drying
OPERATING CONDITIONS
Power supply 24 V DC
Outlet connector mm ID 25
Operating gas Dry compressed air
Configuration High-output suspension atomiser with dryer
Power consumptionW< 5
Dimensions W × H × Dmm900 × 400 × 300
Weightkg25.0

Values shown are manufacturer specifications for model selection. Confirm the final configuration, accessories, utilities and calibration scope before ordering.

Applications

Solid-particle filter challenge

Produces high-concentration PSL aerosol for complete-filter efficiency and MPPS measurements.

Standards-based test-bench integration

Supports filter testing according to ISO 29463-3 and ISO 29463-4.

High-volume filter measurements

Provides suspension-derived aerosol for EN 1822 filter-efficiency workflows.

High-concentration reference aerosol

Supplies dried solid-particle aerosol for instrument and system evaluation.

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