Existing contactless photoelectric systems for dynamic displacement measurements are awkward, not very convenient, and primarily are utilized in stationary laboratory installations. These disadvantages are absent in fiber-optic transducers (FOT) that are among a known class of devices, fiber-optic sensors of physical quantities that convert the parameters of the physical field being measured into optical radiation characteristics at the sensor output. The selection of the FOT as the primary transducer is explained by its properties such as the electrical passivity, thermal stability, and corrosion resistance stability to electromagnetic interference, high fast-response, and the possibility of varying the characteristics in accuracy and range of measurements within broad limits because of the optimal selection of the fiber-optic channel construction.