Water meters for cold potable water and hot water. Part 2: Test methods

Standard published on 1.6.2026

Wind energy generation systems - Part 1: Design requirements

Change published on 1.6.2026

Alarm systems - Intrusion and hold-up systems - Part 3: Control and indicating equipment

Standard published on 1.6.2026

High-voltage test techniques. Part 1: General terminology and test requirements

Standard published on 1.6.2026

Radio frequency and coaxial cable assemblies - Part 4-4: Semi-rigid coaxial cable - Detail specification - Frequency range up to 6 000 MHz, type 50-5 multi-channel cables

Standard published on 1.6.2026

Rotating electrical machines - Part 26: Effects of unbalanced voltages on the performance of three-phase cage induction motors

Standard published on 1.6.2026

Optical fibre cables - Part 1-131: Generic specification - Basic optical cable test procedures - Mechanical tests methods - Microduct inner clearance test, Method E31

Standard published on 1.6.2026

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-7: Examinations and measurements - Wavelength dependence of attenuation and return loss of single mode components

Change published on 1.6.2026

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-14: Examinations and measurements - Error and repeatability of the attenuation settings of a variable optical attenuator

Standard published on 1.6.2026

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-50: Examinations and measurements - Crosstalk for optical spatial switches

Standard published on 1.6.2026