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

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

Corrosion of metals and alloys. Test method for corrosion of materials by electrochemical impedance measurements
Edition 2014-01-31

Road vehicles. 50 ohms impedance radio frequency connection system interface. Test procedures
Edition 2009-08-31

Radio-frequency connectors. RF coaxial connectors with inner diameter of outer conductor 16 mm (0,63 in) with screw lock. Characteristic impedance 50 O (type 7-16)
Edition 2023-02-15

Coaxial communication cables. Electrical test methods. Test for impedance with time domain reflectometry (TDR)
Edition 2015-12-31

Electrical safety in low voltage distribution systems up to 1000 V AC and 1500 V DC. Equipment for testing, measuring or monitoring of protective measures. Part 3. Loop impedance
Edition 2022-07-08

Metallic communication cable test methods. Electromagnetic compatibility (EMC). Surface transfer impedance. Triaxial method
Edition 2014-02-28

Metallic cables and other passive components test methods. Electromagnetic compatibility (EMC). Surface transfer impedance. Line injection method
Edition 2017-09-18

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