Rechercher

CISPR 11:2024 applies to industrial, scientific and medical electrical equipment operating in the frequency range 0 Hz to 400 GHz and to domestic and similar appliances designed to generate and/or use locally radio-frequency energy. This document covers emission requirements related to radio-frequency (RF) disturbances in the frequency range of 9 kHz to 400 GHz. For ISM RF applications in the…

IEC 60939-3:2024 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 60939-3:2024 covers passive filters used to attenuate unwanted radio-frequency signals (such as noise or…

This document specifies four standard message formats for use in transferring spacecraft orbit information between space agencies and commercial or governmental spacecraft operators:  The Orbit Parameter Message (OPM), the Orbit Mean-Elements Message (OMM), the Orbit Ephemeris Message (OEM), and the Orbit Comprehensive Message (OCM).  Such exchanges are used for: a)     pre-flight planning for…

IEC TR 61850-80-5:2024, which is a Technical Report, specifies the mapping rules for building and configuring a system using both IEC 61850 and IEC 61158-6 (Industrial communication networks - Fieldbus specification, CPF Type 15, Modbus) protocols by utilizing gateways between IEC 61850 and IEC 61158-6 IEDs / subsystems. The objective is to enable operational run-time data exchange among these…

This document specifies requirements for vascular device-drug combination products (VDDCPs). With regard to safety, this document outlines requirements for intended performance, design attributes, materials, design evaluation, manufacturing, sterilization, packaging and information supplied by the manufacturer. For implanted products, this document is intended to be used as a supplement to ISO …

IEC TR 61000-3-18:2024 which is a technical report, reports on the development of a methodology for adapting IEC equipment emission limits from IEC 61000-3-2 and IEC 61000-3-12 for use in regions not covered by these documents. It identifies gaps in the existing equipment emission limit standards concerning their international applicability and identifies public power system characteristics…

1 Scope 1.1 This Standard specifies material and fabrication requirements for corrugated steel pipe, spiral rib pipe, structural plate, and two-flange tunnel liner plate. 1.2 This Standard applies to corrugated steel pipe and buried structures for applications such as culverts, storm sewers, storm water management systems, subdrains, hydraulic structures, grade separations, and tunnels. 1.3…

1 Scope 1.1 This performance Standard applies to circular precast concrete pipe, manhole (maintenance hole) sections, and accessories intended for a) use as sewer pipe for the conveyance of sewage, industrial wastes, and storm water; and b) the construction of culverts. 1.2 This Standard describes the following procedures for testing circular precast concrete pipe, manhole sections, and…

1 Scope 1.1 General This Standard provides minimum requirements and recommendations for the quantification and verification of the carbon intensity in a unit of concrete, including any carbon that is permanently sequestered during the production of the concrete and/or its input materials. Therefore, this number could be either positive or negative. The quantification calculation results in a…

1 Scope 1.1 Applicable equipment This Standard applies to newly produced household cooking gas appliances, hereinafter referred to as units or appliances, constructed entirely of new, unused parts and materials, and either floor-supported or built-in. 1.2 Household cooking gas appliances This Standard applies to household cooking gas appliances a) for use with natural gas; b) for use with…