Topas Inc. is coming!

Topas Inc. is coming to the US

Leading experts for aerosol and particle technology now also in the USA

As Topas Inc., we offer comprehensive calibration, maintenance and consulting services to American customers starting in 2024.

Still under construction, this site helps to get a first overview on our expertise in aerosol and particle technology. Meanwhile, more information can be found at our headquarters´ website.

Our field of operation

Since more than 30 years, technology-oriented particle, analysis and sensor systems have been developed, designed and manufactured under the name Topas. They can be used to generate, condition and analyse aerosols. In addition, more than 60 series devices and 20 test systems of the medium-sized Saxon company have been widely used and proven for the classification and testing of air filters and filter media in worldwide industry and basic research for decades.

Why Topas Inc. now in America

To support our clients locally and in person is our primary objective. We are now your contact in Vadnais Heights in the marvellous metropolitan region of the Twin Cities to offer key features such as calibration of test systems, service, and maintenance much faster and tailor-made to our American customers.

All product categories at a glance

Test systems

The modular design of our test systems ensures a high degree of interchangeability.

Aerosol generation

Our goal is the replication of real processes from the fields of industry and the environment by producing reference aerosols.


With our technology, we change states such as the concentration or the static charge of aerosols and can thus map changes in the real process.

Particle measurement

In order to identify time courses and trends, in our measurements we record natural aerosol processes outdoors.

Data analysis

Topas software stands for device control, measurement data acquisition, and documentation of the result.

Good to know

More information and all product specifications

Main applications at a glance

Testing cleanrooms

With precise Topas equipment technology, our customers test air filters and certify safety cabinets. We support your cleanroom testing and acceptance measurements.

Testing automotive filter

In the field of automotive filters, Topas is THE test expert for reliable testing of all kinds. This applies to the testing of air intake filters, oil mist separators, cabin interior filters and exhaust gas filters (GPF).

Testing industrial filter elements

With our versatile test systems, you are able to test general air filters, high-efficiency HEPA and ULPA filters and also gas turbine filters in various test routines.

Testing filter media

By means of various analyses, we provide you with the parameters that matter to you: differential pressure behaviour, gravimetric separation efficiency, fractional separation efficiency or dust loading capacity of the filter.

Good to know

More information and further captivating applications

You are looking for continuing and more exciting insights?

Meet us personally at these events in 2024



Houston, USA


Automotive Testing Expo