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This document specifies requirements, test methods and performance criteria for line-type smoke detectors for use in fire detection systems installed in buildings. The detectors consist of at least a transmitter and a receiver and can include reflector(s) for the detection of smoke by the attenuation and/or changes in attenuation of an optical beam. This document is not applicable to: —    line-…

IEC 62702-1-1:2022 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 62702-1-1:2022 specifies a method of data-quality assurance for writable DVD disks (hereafter referred to as…

IEC 62702-1-1:2022 specifies a method of data-quality assurance for writable DVD disks (hereafter referred to as "disks") which are specified for long-term data storage, and a data migration method which can sustain the recorded data on disks for long-term audio data preservation. The writable disks include recordable disks such as DVD-R, and +R format, and rewritable disks such as DVD-…

IEC 62702-1-2:2022 specifies a method of data-quality assurance for writable BD disks (hereafter referred to as "disks") which are specified for long-term data storage, and a data migration method which can sustain the recorded data on disks for long-term audio data preservation. The writable disks include BD recordable disk and BD rewritable disk. IEC 62702-1-2:2022 cancels and…

IEC 62702-1-2:2022 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 62702-1-2:2022 specifies a method of data-quality assurance for writable BD disks (hereafter referred to as…

IEC 61290-1:2022 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 61290-1:2022 applies to all commercially available optical amplifiers (OAs) and optically amplified subsystems.…

IEC 61290-1:2022 applies to all commercially available optical amplifiers (OAs) and optically amplified subsystems. It applies to OAs using optically pumped fibres (optical fibre amplifiers (OFAs) based on either rare-earth doped fibres or on the Raman effect), semiconductors (semiconductor optical amplifiers (SOAs)), and aveguides (planar optical waveguide amplifiers (POWAs)). It is specifically…

This document defines terms relating to methods of the determination of the chemical composition of steel and steel products.

This document specifies the categorial structure within the field of traditional Chinese medicine clinical decision support system by defining a set of domain constraints of sanctioned characteristics, each composed of a relationship and an applicable information model. This document is not applicable to Western medicine and Japanese Kampo medicine. It is not applicable to the design and…

IEC 62108:2022 specifies the minimum requirements for the design qualification and type approval of concentrator photovoltaic (CPV) modules and assemblies suitable for long-term operation in general open-air climates as defined in IEC 60721-2-1. The object of this test document is to determine the electrical, mechanical, and thermal characteristics of the CPV modules and assemblies and to show,…