Microperm® On-line Porosity Analyzer – 
The Number 1 Fixed point OPA in the World

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More than 200 Systems delivered since 1978.

Totally modernized in the year 2000 to be able to measure even wider porosity ranges.

Manufactured and serviced by AVATRON SYSTEMS OY / LTD, Finland.

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Status 2021 – Microperm versus Lab

Microperm was designed and developed by NOKIA corporation to be able to measure cigarette paper. It was totally modernised by Avantron Ltd. Today it is owned by AvatronSystems from Finland.

It is recognized to be the most simple, reliable, and most cost-effective fixed point on-line porosity analyzer ever designed.

Microperm will deliver repeatable and exact information of the variation of porosity to QCS and DCS linked to any laboratory method used.

Microperm versus Lab

Porosity variations inside a jumbo reel will remain unknown.
​One hour on-line production.


Place an order for a Microperm Porosity Analyzer or get in touch for more information!

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