A. S. Belov - Ph.D. (Phys.-Math.), Head of Department, FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: alexis-belov@yandex.ru D. A. Kokonin - Research Engineer of 3rd cat., FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: kokonin_da@mail.ru A. М. Polyashov - Research Engineer of 1st cat., FSUE FRPC - Measuring System Research Institute n.a. Yu.Ye. Sedakov - (Nizhny Novgorod). E-mail: frustum@rambler.ru