Pioneer since 1981 (and the first patented viscometer using vibrating technology at resonance frequency), Sofraser is now recognized as a world leader in process viscometry. And our world largest range of solutions is here to prove it!

Our mission hasn’t changed since day 1: To always provide the latest innovation and enhance production methods to meet our clients needs and increase their performance while strictly respecting environmental concerns. How? Thanks to a strong R&D department, the most passionate experts of viscometry industry and since 1996 an efficient Quality Management system based on the NF-EN-ISO 9001.



Dr. Valérie Bellière
Dr. Valérie Bellière
Industrial Manager

Valérie joined Sofraser in 2013 with a history of 20 years in QSE management for international companies, a PhD in Chemistry and 2 Master Degrees.
She also is an active member of the Red Cross.

Kevin Vancayzeele
Kevin Vancayzeele
R&D Vice-Manager

With 2 Master Degrees in Mechanical engineering and 9 regional rock climbing titles, Kevin has worked in Sofraser since 2011 and co-manages the R&D department.

Dr. Luc K. Bellière
Dr. Luc K. Bellière
R&D Manager - President

After a Physics PhD, 3 Master Degrees, Luc has now 30+ years of experience in Sensors and Analyzers design, he is engaged in social and environmental development. Luc is a theater director and sailor.

Dr. Philippe Burg
Dr. Philippe Burg
Sales & Application Manager

A PhD in Chemistry, 2 Master Degrees and 20 years in chemical process led Philippe to Sofraser in 2003. He is the proud owner of a saddle horse named Lorelei.

Jean-Marie Duboys
Jean-Marie Duboys
Key accounts & OEM Manager
Earning 2 Master Degrees in Chemical engineering and a 10 years’ sales’ carreer in chemical industry enticed Jean-Marie to join Sofraser in 2010. He introduces himself as a versatile sportsman.




Creation of SOFRASER by Paul Beaudoin

First vibrating viscometer to optimize combustion patented

Invention of the 1st tuning-type viscometer held in vibration at resonance frequency

Design of the first portable viscometer

Patent of a high sensitivity viscometer and densitymeter

Patent for a new electronic principle to enhance viscosity measurement

Development of the first viscosity and density sensor for downhole

Patent of the unique direct in line viscometer for extrusion

Launch of the first direct kinematic viscosity analyzer @Tref

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