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Topas is an industry leader in filter test systems and components. All systems can be tailor-made to meet customer requirements, and are manufactured in accordance with international standards and guidelines.
Examples include:
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Filter and Filter Element Testing
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Filter Media Testing for Deep-Bed and Surface Filtration
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Separators
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VIPAS Instruments is dedicated to providing high quality commercial and research aerosol instrumentation to customers worldwide. Their focus is on aerosol generation and inertial collection devices, and is backed by more than 25 years of experience in aerosol science and technology.
Visit for more detailed information on the APM.

Dekati® offers proven solutions for particle filtration efficiency (PFE) testing from 0.006 - 10µm via both real-time instruments and gravimetric cascade impactors. Diverse in application, their instrumentation monitors particulate mass, number, the lung-deposited surface area (LDSA) of particles, as well as total concentration and particle size distribution. Additionally, their instruments enable gravimetric and chemical analysis of particles, PM10-2.5-1.0 analyses and real-time particle size distribution measurements before and after the filter.
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20+ years of serving research universities, national labs, and certification facilities across North America.
Request a Technical Consultation or Quote
Tell us about your measurement parameters, target aerosol, and sampling environment. Our technical team will respond within 1 business day.
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