Road construction and maintenance equipment — Paver-finishers — Commercial specifications
This document establishes the content for commercial specifications for paver-finishers used in road construction and maintenance processes for the placement and pre-compaction of paving materials. It covers the machine and its components and establishes parameters for technical characteristics for both.
This document does not cover commercial specifications for road wideners which can perform…
Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 11: ...
IEC 61937-11:2021 is available as IEC 61937-11:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61937-11:2021 describes the method to convey non-linear PCM bitstreams encoded in accordance with the MPEG-4 AAC format and its extensions (spectral band replication, parametric stereo and MPEG…
Unalloyed steel — Determination of low carbon content — Part 2: Infrared absorption method after com...
This document specifies an infrared absorption method after combustion in an induction furnace for the determination of the low carbon content in unalloyed steel.
The method is applicable to carbon contents between 0,000 3 % (mass fraction) and 0,009 % (mass fraction).
Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Fixed aluminiu...
IEC 60384-25:2021 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 60384-25:2021 applies to fixed aluminium electrolytic surface mount capacitors with conductive polymer solid…
Fixed capacitors for use in electronic equipment - Part 25: Sectional specification - Fixed aluminiu...
IEC 60384-25:2021 applies to fixed aluminium electrolytic surface mount capacitors with conductive polymer solid electrolyte, primarily intended for DC applications for use in electronic equipment. The object of this document is to prescribe preferred ratings and characteristics and to select from IEC 60384-1:2016, the appropriate quality assessment procedures, tests and measuring methods and to…
Determination of the silanol group content on the surface of fumed silica — Reaction gas chromatogra...
This document specifies a method for the determination of the silanol group content on the surface of fumed silica by reaction gas chromatographic method.
Medical electrical equipment — Part 2-74: Particular requirements for basic safety and essential per...
This document applies to the basic safety and essential performance of a humidifier, also hereafter referred to as ME equipment, in combination with its accessories, the combination also hereafter referred to as ME system.
This document is also applicable to those accessories intended by their manufacturer to be connected to a humidifier where the characteristics of those accessories can affect…
Medical electrical equipment - Part 2-74: Particular requirements for basic safety and essential per...
This document applies to the basic safety and essential performance of a humidifier, also hereafter referred to as ME equipment, in combination with its accessories, the combination also hereafter referred to as ME system.
This document is also applicable to those accessories intended by their manufacturer to be connected to a humidifier where the characteristics of those accessories can affect…
High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches...
IEC 62271-112:2021 is available as IEC 62271-112:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62271-112:2021 applies to AC high-speed earthing switches (hereinafter termed HSES) designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz…
