Guidance for performance grading of recovered reverse osmosis (RO) membranes for water reuse
This document provides guidance and requirements for grade classification of performance of recovered reverse osmosis (RO) membranes for water reuse systems.
This standard is applicable to the spiral-wound type of recovered membranes from seawater reverse osmosis (SWRO) and brackish water reverse osmosis (BWRO) systems.
This standard is to ensure consistency in the performance of recovered RO…
Ships and marine technology — Electronic port clearance (EPC) — Part 1: Message structures and appli...
This document defines the principles, methods and requirements for message exchanges between ships, ship representatives, and other shore parties via a peer-to-peer communication system. This document defines the message structure, including how the data content is assembled from other parts of the ISO 28005 series, and how digital signatures for authentication, integrity, and confidentiality of…
Security and resilience — Community resilience — Principles, framework and guidelines on urban resil...
This document provides principles, framework and guidelines on how to enhance urban resilience to protect communities, people and organizations and improve residents' quality of life. It describes:
a) how to build capacity to better manage change and disruptive events, minimizing the impacts on the residents, including the most disadvantaged and vulnerable persons;
b) the benefits of…
Scope
1.1 These requirements cover the transients test method for fire, security, and life safety equipment.
These tests include supply line (ring wave surge voltage) transients, Internally induced Transients,
Sequential Arc Transients, Radiated Electromagnetic Fields, Field-Wiring Transients, Surge Immunity Test
(Combination Wave), Surge Current Test, and Static Discharge Test.
1.2 Tests…
Domaine d’application
1.1 Ces exigences couvrent la méthode d’essai des transitoires pour l’équipement de protection contre
les incendies, de sécurité et de sécurité des personnes. Ces tests comprennent les transitoires de la ligne
d’alimentation (tension de surtension d’onde de sonnerie), les transitoires induits à l’interne, les
transitoires d’arc séquentiel, les champs électromagnétiques…
Boxes and enclosures for electrical accessories for household and similar fixed electrical installat...
IEC 60670-1:2024 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 60670-1:2024 applies to boxes, enclosures and parts of enclosures (hereafter called "boxes" and "…
Boxes and enclosures for electrical accessories for household and similar fixed electrical installat...
IEC 60670-1:2024 applies to boxes, enclosures and parts of enclosures (hereafter called "boxes" and "enclosures") for electrical accessories with a rated voltage not exceeding 1 000 V AC and 1 500 V DC intended for household or similar fixed electrical installations, either indoors or outdoors. Boxes and enclosures complying with this document are suitable for use at ambient…
Boîtes et enveloppes pour appareillage électrique pour installations électriques fixes pour usages d...
L'IEC 60670-1:2024 s'applique aux boîtes, enveloppes et parties d'enveloppes (ci-après désignées par les termes "boîtes" et "enveloppes") pour appareillages électriques dont la tension assignée ne dépasse pas 1 000 V en courant alternatif et 1 500 V en courant continu pour installations électriques fixes pour usages domestiques et analogues, en intérieur ou en…
Tests for electric cables under fire conditions – Circuit integrity – Part 4: Test method for fire w...
IEC 60331-4:2024 specifies the test apparatus and procedure, and gives the performance requirements, including recommended flame application times and flame temperatures, for power cables of rated voltage higher than 0,6/1,0 kV up to and including 18/30 kV for maintaining circuit integrity when subject to fire and mechanical shock under specified conditions.
The test method in this document is…
Test methods for electrical materials, circuit boards and other interconnection structures and assem...
IEC 61189-2-809:2024 defines the method to be followed for the determination of the X/Y coefficient of thermal expansion of electrical insulating materials by the use of a thermomechanical analyser (TMA).
This method is applicable to materials that are solid of the entire range of temperature used and retain sufficient hardness and rigidity over the temperature range so that irreversible…