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This International Standard is applicable to portable phase comparators of capacitive type to be used on electrical systems for voltages exceeding 1 kV a.c. and frequencies of 50 Hz and/or 60 Hz. This standard is applicable...

1.1 General This Standard covers wrought steel buttwelding fittings, including extruded headers and factoryproduced bends, primarily intended for use in oil or gas pipeline systems. 1.2 Size, grade, and category 1.2.1 Size...

1.1 General This Standard covers steel valves primarily intended for use in oil or gas pipeline systems. The following types of valves are covered: a) gate valves; b) plug valves; c) ball valves; and d) check valves. 1.2 Size...

This document provides a framework for understanding the concept of usability and applying it to situations where people use interactive systems, and other types of systems (including built environments), and products...

Information technology — Telecommunications and information exchange between systems — Local and metropolitan area networks — Specific requirements — Part 15-4: Wireless medium access control (MAC) and physical layer (PHY)...

1 This document specifies the form and establishes the interpretation of programs written in the C programming language.1) It specifies — the representation of C programs; — the syntax and constraints of the C language; — the...

1.1 Scope - Structure of a metadata registry Clauses 5 through 11 specify the structure of a metadata registry in the form of a conceptual data model. While the model diagrams are presented in UML notation, this part of ISO...

1.1 This Standard describes general requirements, apparatus, and test methods to be used in carrying out applicable tests and calculations for rigid nonmetallic conduits, elbows, bends, and associated fittings required by the...

This International Standard defines communication modes for Near Field Communication Interface and Protocol (NFCIP-1) using inductive coupled devices operating at the centre frequency of 13,56 MHz for interconnection of...

This part of ISO/IEC 12785 defines the data structures that can be used to exchange language, education and training (LET) content among systems that wish to import, export, aggregate, and disaggregate packages of LET content...

This Recommendation | International Standard specifies the coded representation of picture information for digital storage media and digital video communication and specifies the decoding process. The representation supports...

This part of IEC 61869 applies to new single-phase capacitor voltage transformers connected between line and ground for system voltages Um ≥ 72,5 kV at power frequencies from 15 Hz to 100 Hz. They are intended to supply a low...