Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO 10534-2:2023)
Edition 2024-01-01

Radio-frequency connectors - Part 60: Sectional specification for RF coaxial connectors with push on mating - Characteristic impedance 50 Ohm (type SMPM) (german version)
Edition 2022-11-01

Electrochemical impedance spectroscopy (EIS) on coated and uncoated metallic specimens - Part 1: Terms and definitions (ISO 16773-1:2016)
Edition 2016-10-01

Electrochemical impedance spectroscopy (EIS) on coated and uncoated metallic specimens - Part 2: Collection of data (ISO 16773-2:2016)
Edition 2016-10-01

Superconductivity - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies (IEC 61788-15:2011) (german version)
Edition 2012-09-01

Aerospace series - Elements of electrical and optical connection - Test methods - Part 223: Measurement of characteristic impedance of a coaxial connector or contact
Edition 2008-04-01

Electroacoustics - Audiometric equipment - Part 5: Instruments for the measurement of aural acoustic impedance/admittance (IEC 60645-5:2004)
Edition 2005-09-01

Aerospace series - Elements of electrical and optical connection - Test methods - Part 701: Electrical elements - Measurement of open circuit impedance of couplers
Edition 2002-12-01

Aerospace series - Elements of electrical and optical connection - Test methods - Part 705: Electrical elements - Measurement of stub input impedance of couplers
Edition 2002-12-01

Aerospace series - Elements of electrical and optical connection - Test methods - Part 707: Electrical elements - Measurement of characteristic impedance of a bus or a stub terminator
Edition 2002-12-01