Electroacoustics - Audiolometric equipment. Part 5: Instruments for the measurement of aural acoustic impedance/admittance
Edition 2005-01

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

Superconductivity - Part 15: Electronic characteristic measurements - Intrinsic surface impedance of superconductor films at microwave frequencies
Edition 2011-12

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

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

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 7: Equipment impedance
Edition 2001-11

Soil : investigation and testing. Auscultation of buried work. Part 4: impedance test
Edition 1994-03-01

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-4: Low voltage decoupling filter - Impedance filter (german version)
Edition 2024-03-01

Connectors for electronic equipment - Tests and measurements. Part 23-7: Screening and filtering tests - Test 23g: Effective transfer impedance of connectors
Edition 2005-03

Communication cables - Specifications for test methods - Part 1-11: Electrical test methods - Characteristic impedance, input impedance, return loss
Edition 2016-12