Radio-frequency connectors - Part 60: Sectional specification for RF coaxial connectors with push on mating - Characteristic impedance 50 Ohm (type SMPM)
Edition 2021-04

Radio frequency connectors - Part 64: Sectional specification - RF coaxial connectors with 0,8 mm inner diameter of outer conductor - Characteristic impedance 50 O (type 0,8)
Edition 2019-11

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 6: Special requirements for ohmmeters (impedance meters) and conductance meters
Edition 2018-03

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

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

Radio-frequency connectors - Part 58: Sectional specification for RF coaxial connectors with blind-mate coupling - Characteristic impedance 50 O (type SBMA)
Edition 2016-11

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

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

Radio-frequency connectors. Part 36: Microminiature r.f. coaxial connectors with snap-on coupling. Characteristic impedance 50 ohm (type MCX)
Edition 1997-05

Hydraulic fluid power - Determination of pressure ripple levels generated in systems and components - Part 1: Method for determining source flow ripple and source impedance of pumps
Edition 2015-10