– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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Mechanical system

A commercial weighing cell is mounted on a 2-axis translation stage which is fixed on top of a rigid support composed of three stages of symmetric pentapod structures. A complex mechanical ensemble is suspended from the weighing cell. It includes a mechanism which creates a vertical movement of the lower part of the suspension by varying its length using an electrostatic motor. The weighing pan receiving the mass standard and the moving coil assembly are independently connected to the lower suspension via gimbal devices.