Information technology - Digitally recorded media for information interchange and storage - 120 mm t...
This document specifies the mechanical, physical and optical characteristics of a 120 mm rewritable optical disk with a capacity of 100,0 Gbytes. It specifies the quality of the recorded and unrecorded signals, the format of the data and the recording method, thereby allowing for information interchange by means of such disks. User data can be written, read and overwritten many times using a…
This document specifies a method of obtaining, for test purposes, a gross sample representative of a certain lot of pulp. This document applies to all kinds of pulp delivered in bales or rolls. It is intended for use when sampling for all kinds of testing purposes except for the determination of saleable mass, in which case other International Standards apply such as ISO 801-1 and ISO 801-2.
If,…
IEC TR 63388:2021 introduces the widely used technical scheme of cogeneration (also known as combined heat and power (CHP)), and gives the corresponding cases. The technical schemes of cogeneration covered in this technical report can be divided into two categories. One is cogeneration based on steam turbine, which is generally applied in thermal power plants; The other is cogeneration based on…
Jewellery and precious metals — Sampling of precious metals and precious metal alloys
This document specifies a method of sampling precious metals and precious metal alloys for the determination of their precious metal content and for the assessment of their homogeneity. The document is applicable to raw materials, semi-finished products and finished products and is intended to be used only for the sampling of entirely metallic materials.
NOTE 1 Standards for determination of…
Luminaires - Part 2-22: Particular requirements - Luminaires for emergency lighting
IEC 60598-2-22:2021 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 60598-2-22:2021 specifies requirements for emergency luminaires for use with electrical lamps on emergency…
Ships and marine technology — Specification for bunkering of liquefied natural gas fuelled vessels
This document specifies requirements for LNG bunkering transfer systems and equipment used to bunker LNG fuelled vessels, which are not covered by the IGC Code. This document is applicable to vessels involved in international and domestic service regardless of size, and addresses the following five elements:
a) hardware: liquid and vapour transfer systems;
b) operational procedures;
c)…
Petroleum and related products — Precision of measurement methods and results — Part 4: Use of stati...
This document specifies the process and methodology for the construction, operation, and maintenance of statistical control charts to assess if a laboratory's execution of a standard test method is in-statistical-control and how to establish and validate the 'in-statistical-control' status.
It specifies control charts that are most appropriate for ISO/TC 28 test methods where the…
Wind turbines - Part 13: Measurement of mechanical loads
IEC 61400-13:2015+A1:2021 describes the measurement of fundamental structural loads on wind turbines for the purpose of the load simulation model validation. The standard prescribes the requirements and recommendations for site selection, signal selection, data acquisition, calibration, data verification, measurement load cases, capture matrix, post-processing, uncertainty determination and…
Safety requirements for electrical equipment for measurement, control and laboratory use — Part 2-20...
1 Scope and object
1.1 Scope
1.1.1 Equipment included in scope
[Add the following]
This Standard applies to the above-noted equipment that is intended to be installed or used in
accordance with CSA C22.1, Canadian Electrical Code, Part I.
General requirements applicable to the above-noted equipment are provided in CSA C22.2 No. 0.
1.1.2 Equipment excluded from scope
[Replace NOTE 1 with…
1.1 Scope
ASME A17.8/CSA B44.8 applies to elevators permanently installed in a wind turbine tower to provide vertical transportation of authorized personnel and their tools and equipment only.
Such elevators are typically subjected to extreme temperatures, humidity variations, and substantial horizontal motions where, by reason of their limited use and the types of construction of the…