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

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

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-52: Examinations and measurements - Guide hole and alignment pin deformation constant for angled physically contacting rectangular ferrules

Industrial process control systems - Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator valve assembly

Fibre optic sensors - Part 7-3: Voltage measurement - Polarimetric method (IEC 86C/1873/CDV:2023); German and English version prEN IEC 61757-7-3:2023

Surface mounting technology - Part 1: Standard method for the specification of surface mounting components (SMDs)

Twist pitch measurement of practical superconducting wires - Twist pitch measurement method of NbTi and NbSn composite superconductors (IEC 90/507/CDV:2023); German and English version prEN IEC 61788-27:2023

Electrical insulation systems - Procedures for thermal evaluation - Part 33: Multifactor evaluation with increased ageing factors at elevated temperature (IEC 112/605/CDV:2023); German and English version prEN IEC 61857-33:2023

Electrical insulation systems - Procedures for thermal evaluation - Part 42: Specific requirements for evaluation of an electrical insulation system (EIS) used for road transportation applications

High frequency inductive components - Electrical characteristics and measuring methods - Part 3: AC loss measured by sinusoidal wave of inductors for DC-to-DC converters