State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of alternating current from 1·10 -8 to 100 A in the frequency range from 1·10 -1 to 1·10 6 Hz
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of relative dielectric permittivity and the loss tangent in range of frequencies from 1 to 78,33 GHz