The Ménard Pressuremeter system is an in-situ testing device aiming to characterize soil behavior parameters. It was largely developed by Louis Ménard in France in the 1950s and 1960s. The system is composed of a control unit, and a cylindrical inflatable probe. During a test the expandable cylindrical probe, placed inside a borehole, is expanded following a predefined loading program. Soil deformation is observed, measuring cavity volume expansion. The resulting pressure–volume curve can be interpreted to derive deformability and strength parameters of the soil. The pressuremeter test remain one the most used in-situ test in France, while French standard widely uses pressuremeter parameters for foundation design.