Direct acting indicating analogue electrical measuring instruments and their accessories Part 6: Special requirements for ohmmeters (impedance meters) and conductance meters
Edition 1997-10-20

Aerospace series. Cables, electrical, aircraft use. Test methods. Part 805: Characteristic impedance (Endorsed by AENOR in August of 2002.)
Edition 2002-08-01

Aerospace series. Cables, electrical, aircraft use. Test methods. Part 807: Transfer impedance (Endorsed by AENOR in August of 2002.)
Edition 2002-08-01

Aerospace series - Elements of electrical and optical connection - Test methods - Part 212: Surface transfer impedance (Endorsed by AENOR in December of 2005.)
Edition 2005-12-01

Aerospace series - Elements of electrical and optical connection - Part 701: Electrical elements - Measurement of open circuit impedance of couplers. (Endorsed by AENOR in April of 2002.)
Edition 2002-04-01

Superconductivity - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies (Endorsed by AENOR in March of 2012.)
Edition 2012-03-01

Hydraulic fluid power. Determination of the fluid-borne noise characteristics of components and systems. Measurement of hydraulic impedance
Edition 2022-08-09

Hydraulic fluid power. Determination of pressure ripple levels generated in systems and components. Method for determining source flow ripple and source impedance of pumps
Edition 2016-03-31

Metallic communication cable test methods. Electromagnetic compatibility (EMC). Transfer impedance and screening attenuation of feed-throughs and electromagnetic gaskets. Double coaxial test method
Edition 2015-11-30

Multicore and symmetrical pair/quad cables for digital communications. Correction procedures for the measurement results of return loss and input impedance
Edition 2013-07-31