Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping syst...
This document specifies a code of practice dealing with unplasticized polyamide (PA-U) pipes and fittings for buried pipeline systems outside buildings and designed to transport gaseous fuels (as defined in ISO 16486-1, e.g. methane, LPG, manufactured gas and hydrogen) within the temperature range –20 °C to +40 °C. This document also gives appropriate temperature-related requirements.
The code of…
Multi-channel radio-frequency connectors - Part 2: Sectional specification for MQ4 series circular c...
IEC 63138-2:2023 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 63138-2:2023, which is a sectional specification (SS), provides information and rules for the preparation of…
Multi-channel radio-frequency connectors - Part 2: Sectional specification for MQ4 series circular c...
IEC 63138-2:2023, which is a sectional specification (SS), provides information and rules for the preparation of detail specifications (DS) for MQ4 series circular connectors with four RF channels, as well as a detailed specification of the blank format. An MQ4 series circular connector with 50 Ω nominal impedance has four RF channels which can be engaged and disengaged at the same time. There…
Connecteurs radiofréquences multicanaux - Partie 2: Spécification intermédiaire pour les connecteurs...
L’IEC 63138:2023, qui est une spécification intermédiaire (SI), fournit des informations et des règles pour l’établissement de spécifications particulières (SP) relatives aux connecteurs circulaires de série MQ4 disposant de quatre canaux RF, ainsi qu’une spécification particulière-cadre. Un connecteur circulaire de série MQ4 présentant une impédance nominale de 50 Ω dispose de quatre canaux RF…
Cleanrooms and associated controlled environments — Part 18: Assessment of suitability of consumable...
This document gives guidance for assessing personal and non-personal consumables for their appropriate use in cleanrooms, clean zones or controlled zones, based on product and process requirements, cleanliness attributes and functional performance properties. The cleanliness attributes addressed are particles or chemicals in air or on surfaces. Biocontamination (viable particles, microorganisms…
Salles propres et environnements maîtrisés apparentés — Partie 18: Évaluation de l’aptitude à l’empl...
Le présent document fournit des recommandations concernant l’évaluation des consommables pour le personnel et autres consommables pour leur usage approprié dans les salles propres, zones propres ou zones maîtrisées, sur la base des exigences des produits et procédés, des attributs de propreté et des propriétés de performances fonctionnelles. Les attributs de propreté couverts sont les particules…
Information technology — JPEG 2000 image coding system — Part 8: Secure JPEG 2000
This document specifies the framework, concepts, and methodology for securing JPEG 2000 codestreams. The scope of this document is to define:
1) a normative codestream syntax containing information for interpreting secure image data;
2) informative examples of JPSEC tools in typical use cases;
3) informative guidelines on how to implement security services and related metadata.
The…
Information technology - JPEG 2000 image coding system - Part 8: Secure JPEG 2000
This document specifies the framework, concepts, and methodology for securing JPEG 2000 codestreams. The scope of this document is to define:
1) a normative codestream syntax containing information for interpreting secure image data;
2) informative examples of JPSEC tools in typical use cases;
3) informative guidelines on how to implement security services and related metadata.
The…