GOST 22261-1994 Means for measuring electrical and magnetic quantities. General specifications
GOST 23706-1993 Direct acting indicating electrical measuring instruments and their accessories. Part 6. Special requirements for ohmmeters (impedance meters) and conductance meters
GOST 26364-1990 Ferritometers for austenitic steels. General specifications
GOST 8.315-1997 State system for enshuring the uniformity of measurements. Certified reference materials of composition and properties of substances and materials. Basic principles
GOST 8.518-2010 history
2010GOST 8.518-2010 State system for ensuring the uniformity of measurements. Ferritometers for austenitic steels. Verification procedure
1984GOST 8.518-1984 State system for ensuring the uniformity of measurements. Ferritometers for austenite steel. Methods of verification