Communication networks and systems for power utility automation - Part 8-2: Specific communication s...
EC 61850-8-2:2018 specifies a method of exchanging data through any kinds of network, including public networks. Among the various kinds of services specified in IEC 61850-7-2, only the client/server and time synchronization services are considered so far.
NOTE Client/server services of GOOSE and SMV models are mapped as well.
For the client/server services, the principle is to map the objects…
Connectors for electrical and electronic equipment - Tests and measurements - Part 23-3: Screening a...
IEC 60512-23-3:2018. defines a standard test method for measuring the shielding effectiveness SE of a shielded connector, or of a connector not provided with integral shield once fitted with a shielding accessory and terminated with a screened cable. The complete assembly has a continuous 360° shielding capability throughout its length. This test method can be applied to shielded connectors and…
Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode...
IEC 60793-2-50: 2018 is applicable to optical fibre categories B-652, B-653, B-654, B-655, B 656 and B-657. A map illustrating the connection of IEC designations to ITU-T designations is shown in Table 1. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables. Three types of requirements apply to these fibres:
• general requirements, as…
Magnetic resonance equipment for medical imaging - Part 1: Determination of essential image quality ...
IEC 62464-1:2018 specifies measurement procedures for the determination of many essential image quality parameters for MR EQUIPMENT. Measurement procedures as addressed in this document are suitable for
– quality assessment in the ACCEPTANCE TEST, and
– quality assurance in the CONSTANCY TEST.
Required levels of performance for ACCEPTANCE TESTS are not provided for all tests.
This document…
Gas welding equipment — Quick-action couplings with shut-off valves for welding, cutting and allied ...
This document defines the specifications and the type tests for quick-action couplings with shut-off valves. It applies to quick-action couplings used between the regulator and the torch in equipment for gas welding, cutting and allied processes.
This document applies to cases where these couplings are used with hoses in accordance with ISO 3821 or threaded unions in accordance with ISO/TR 28821.
Cloud computing — Service level agreement (SLA) framework — Part 2: Metric model
This document establishes common terminology, defines a model for specifying metrics for cloud SLAs, and includes applications of the model with examples. This document establishes a common terminology and approach for specifying metrics.
This document is for the benefit of and use for both cloud service providers (CSPs) and cloud service customers (CSCs). This document is intended to complement…
Pneumatic fluid power — Compressed-air lubricators — Part 2: Test methods to determine the main char...
This document specifies tests, procedures and a method of presenting the results concerning the parameters that define the main characteristics to be included in the supplier's literature of lubricators conforming to ISO 6301‑1.
This document can be applied:
— to facilitate the comparison of lubricators by standardizing test methods and presentation of test data;
— to…
Information technology — MPEG systems technologies — Part 12: Sample variants
This document defines sample variants and their carriage in the ISO base media file format (ISO/IEC 14496-12) and MPEG-2 transport stream (ISO/IEC 13818-1).
Road vehicles — Cleanliness of components and systems
This document specifies requirements for applying and documenting methods for determining particulate contamination on functionally-relevant components and systems (cleanliness inspection) of road vehicles.
A cleanliness inspection comprises the basis of an assessment of technical cleanliness, which is performed, for example, under the following circumstances:
— initial inspection and…
Information technology - MPEG systems technologies - Part 12: Sample variants
This document defines sample variants and their carriage in the ISO base media file format (ISO/IEC 14496-12) and MPEG-2 transport stream (ISO/IEC 13818-1).
