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This document specifies the geometry and method of use (installation and operating conditions) of Venturi tubes[1] when they are inserted in a conduit running full to determine the flow rate of the fluid flowing in the conduit. This document also provides background information for calculating the flow rate and is applicable in conjunction with the requirements given in ISO 5167-1. This document…

IEC 62493:2015+AMD1:2022 applies to the assessment of lighting equipment related to human exposure to electromagnetic fields. The assessment consists of the induced internal electric field for frequencies from 20 kHz to 10 MHz and the specific absorption rate (SAR) for frequencies from 100 kHz to 300 MHz around lighting equipment. This second edition cancels and replaces the first edition…

This document describes how data rules apply to various types of data. Such rules exist to sustain the integrity and reliability of data by capturing requirements into a form that can be processed by databases and other information systems. The following are within the scope of this document: —    fundamental concepts of data rules; —    key characteristics of data rules for common types of data…

IEC 62108:2022 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 62108:2022 specifies the minimum requirements for the design qualification and type approval of concentrator…

1 Scope 1.1 General This Standard, following the principles set out in CSA Z45001, specifies requirements for a) establishing and maintaining a WAH management system in accordance with OHSMS principles; b) the roles and responsibilities of the organization, the supervisor, and the workers; c) management of contractors; d) establishing the parameters of types of work at heights; e)…

1 Scope 1.1 Applicable equipment This Standard applies to newly produced outdoor cooking gas appliances (see Clause 3) constructed entirely of new, unused parts and materials. Outdoor cooking gas appliances submitted for examination under this Standard are classified as portable, stationary, or built-in. 1.2 Applicable equipment for recreational vehicle This Standard applies to outdoor…

1 Scope 1.1 This Standard covers polymeric subsurface stormwater management structures and accessories used in the collection, detention, retention, and infiltration of stormwater runoff. Applications include, but are not limited to, commercial, municipal, residential, agricultural, industrial, recreational, and highway drainage. Note: In the CSA B184 Series, polymeric subsurface stormwater…

IEC 62271-203:2022 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 62271-203:2022 edition 3.0 and the previous IEC 62271-203:2011 edition 2.0. Furthermore, comments from IEC SC 17C experts are provided to explain the reasons of the most relevant changes, or to clarify any part of…

IEC 60953-0:2022 constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition: a) IEC 60953-2:1990 has been used as the basis to develop IEC 60953-0; b) Outdated measuring techniques have been updated and the corresponding reduction of the expected test result measuring uncertainty indicated; c) Guarantee of power…

IEC 61169-71:2022, which is a sectional specification (SS), provides information and rules for the preparation of detail specifications (DS) for RF coaxial connector, typically for use in 50 Ω radio communication systems, type NEX10® . This document describes mating face dimensions for general purpose connectors (grade 2), dimensional details of standard test connectors (grade 1), gauging…