Strong with its experience of over 150 years in the field of instrumentation, PROTAIS – VIGIL company has pursued its development by external acquisitions (CORSET in 1986 and AIMP in 2008 whose manufacturing has been maintained) and by developing new products.

Since more than 10 years, PROTAIS has joined GIE POLYTECHNICS that controls different companies in the field of measurement of pressure, flow, level, temperature and fluid control.

The synergy resulting from this association allows PROTAIS – VIGIL now : 

  • to study and design products according to the technical specifications of its customers in the field of high technology :
    • aeronautic,
    • space,
    • defence,
    • marine,
    • cryogenic,
    • energy production
  • to perform most of qualification tests such as climatic, hydraulic tests (2000 bar), pneumatic tests (1100 bar), salt spray tests, shock tests.
  • to solve problems generated by obsolescence met by our customers
  • to ensure maintenance and calibration with restoration in origin class, on site or in laboratory.

PROTAIS-VIGIL is certified ISO 9001 and its calibration system is connected to COFRAC.

Aérodrome de Lognes - 77185 LOGNES - FRANCE - Tél : +33 160 17 87 50 - Fax : +33 1 60 17 87 35 - email :

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