Topas GmbH
Gasanstaltstraße 47
D-01237 Dresden

Tel:     +49 (351) 2166 430
Fax:    +49 (351) 2166 4355

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The more than 28-years of experience and valuable ideas in the fields of product and test system development are reflected in more than 45 own patents and registered designs.

Current Developments

  • Very wide working range with exact reproducible adjustable particle production rate
  • Accurate setting of minimum aerosol volume flows
  • Digital display
  • Interface for external control
  • Internal brushless compressor
  • Mains connection with integrated wide-voltage power supply
  • Optional operation in battery mode

  • Very high particle production rate (up to 1,5*10 11 per minute)
  • High long-term stability of aerosol generation (VDI guideline 3491, part 2)
  • Monodisperse particle size distribution with a low number of agglomerates
  • Excellent scalability of particle production rate
  • Leak test up to filter class U16 (filter format 610mm x 610mm, volume flow 600 m³ / h) within reasonable time



  • controlled operation for reproducible adjusting of aerosol generation even at lowest particle production rates and lowest aerosol flow rates
  • digital display of differential nozzle pressure
  • remote control
  • aerosol generation from pure liquids, solutions and suspensions
  • low-noise operation by compressed air or other technical inert gases

  • Fast and constant saturation of the air with IPA
  • Integrated suction and flushing of the chamber
  • Minimal use of IPA (250ml per filter)
  • Certification of security level by accredited certification bodies

  • Free configuration of target filter efficiency
  • Customized filter adapter for different small HEPA filter elements, easy to change (5 min)
  • Compact test system design
  • High degree of automation for minimum operator interactions
  • Designed for 24/7 production operation
  • Fast cycle time (30 s) for short test time per filter

  • Modernization of test rigs
  • Development of components
  • Customized solutions
  • Implementation and co-operation on research projects

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Coming events

20. - 24.4.2020
13th World Filtration Congress
30.8. - 4.9.2020
EAC 2020

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