Plastics — Poly(methyl methacrylate) double- and triple-skin sheets — Test methods
This document specifies the test methods for quality control of poly(methyl methacrylate) (PMMA) extruded double- and triple-skin flat sheets, obtained from colourless and coloured transparent, translucent and opaque grades of materials.
The minimum sheet width is 600 mm.
The main applications of these sheets are in building and agriculture (greenhouses).
Global maritime distress and safety system (GMDSS) - Part 2: Cospas-Sarsat EPIRB - Emergency positio...
IEC 61097-2:2021(E) specifies the minimum performance requirements, technical characteristics and type-testing requirements of the emergency position-indicating radio beacon used in the Cospas-Sarsat satellite system (EPIRB), as required by the International Convention for Safety of Life at Sea (SOLAS) as amended, and which is associated with IEC 60945. When a requirement in this document is…
Short-circuit currents in three-phase AC systems - Part 4: Examples for the calculation of short-cir...
IEC TR 60909-4:2021 which is a Technical Report, is intended to give help for the application of IEC 60909-0 for the calculation of short-circuit currents in 50 Hz or 60 Hz three-phase AC systems.
This document does not include additional requirements but gives support for the modelling of electrical equipment in the positive-sequence, the negative-sequence and the zero-sequence system (Clause 4…
Radiation protection instrumentation - System of spectral identification of liquids in transparent a...
IEC 63085:2021 provides technical performance requirements, testing methods, requirements for operational performance and accompanying documents, packaging, transportation and storage conditions for the system of spectral identification of liquids in transparent and semitransparent containers (hereinafter referred to as “system”), based on the method of inelastic (Raman) light scattering by…
Instrumentation pour la radioprotection - Système d'identification spectrale des liquides dans ...
IEC 63085:2021 fournit les exigences de performances techniques, les méthodes d'essai, les exigences en matière de performances opérationnelles et les documents d'accompagnement, les conditions d'emballage, de transport et de stockage du système d'identification spectrale des liquides dans des récipients transparents et semi-transparents (ici appelés "système"),…
Household and similar electrical appliances - Method for measuring performance - Assessment of repea...
IEC TR 63250:2021 deals with the determination of repeatability and reproducibility of test methods used for assessing the performance characteristics of household and similar electrical appliances. It also provides guidance for carrying out round robin tests (RRT).
It also specifies the uncertainty reporting of measurements of household and similar electrical appliances.
It describes methods…
High-voltage switchgear and controlgear - Part 213: Voltage detecting and indicating system
IEC 62271-213:2021 is applicable to the voltage detecting and indicating system (VDIS) to be installed on indoor and outdoor high-voltage equipment.
The VDIS as defined by this document includes a coupling system per phase (capacitive, resistive coupling or other technology) to connect to live parts (main circuit).
This first edition cancels and replaces the first edition of IEC 61243-5…
Appareillage à haute tension - Partie 213: Système détecteur et indicateur de tension
L’IEC 62271-213:2021 s’applique au système détecteur et indicateur de tension (VDIS) à installer sur des équipements haute tension pour installation à l’intérieur et à l’extérieur.
Le VDIS défini par le présent document comprend un système de couplage par phase (couplage capacitif, résistif ou d’une autre technologie) assurant la connexion avec les parties actives (circuit principal).
Cette…
