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This document gives guidance on the determination of measurement uncertainties of sound power levels determined according to ISO 3741, ISO 3743-1, ISO 3743-2, ISO 3744, ISO 3745, ISO 3746, ISO 3747 or according to a noise test code based on one of these measurement standards.

Scope 1.1 This Standard sets forth requirements for video and thermal image fire detectors and accessories for non-dwelling units, including mechanical guards to be employed in indoor locations (for video and thermal) and outdoor (for thermal) in accordance with the following: a) In the United States: 1) National Fire Alarm and Signaling Code, NFPA 72; 2) National Electrical Code, NFPA 70…

Domaine d’application 1.1 La présente norme énonce les exigences relatives aux détecteurs d’incendie par image vidéo et thermale, et aux accessoires pour les unités non résidentielles, y compris les dispositifs de protection mécaniques à utiliser dans des emplacements intérieurs (pour image vidéo et thermale) et extérieurs (pour image thermale) conformément à ce qui suit : a) Aux États-Unis…

IEC 61169-69:2024, which is a sectional specification (SS), provides information and rules for the preparation of detail specifications (DS) for RF coaxial connectors with push-on coupling, typically for use in 50 Ω RF cables or micro-strips in microwave, telecommunication, wireless systems, and other fields (SMP3). It specifies mating face dimensions for general purpose connectors – grade 2,…

IEC 63241-2-1:2024 supplements or modifies the corresponding clauses in IEC 63241-1, so as to convert it into the IEC Standard: Electric motor-operated tools - Dust measurement procedure - Particular requirements for hand-held core drills. Where a particular subclause of IEC 63241-1:2023 is not mentioned in this Part 2-1, that subclause applies as far as relevant. Where this standard states…

This document describes the history and purpose of biometrics, the various biometric technologies in general use today (for example, fingerprint recognition, face recognition and iris recognition) and the architecture of the systems and the system processes that allow automated recognition using those technologies. It provides information on the application of biometrics in various business…

This document describes the history and purpose of biometrics, the various biometric technologies in general use today (for example, fingerprint recognition, face recognition and iris recognition) and the architecture of the systems and the system processes that allow automated recognition using those technologies. It provides information on the application of biometrics in various business…

Scope This standard applies to any drinking water system component that conveys or dispenses water for human consumption through drinking or cooking. Devices or components not included in Section 1.2 that are part of a plumbing system or that dispense drinking water from a self-contained reservoir shall be permitted to be evaluated by the standard requiring compliance.

IEC TS 62788-8-1:2024 defines test methods and datasheet reporting requirements for key characteristics of ECA used in photovoltaic modules, involving mechanical characteristics, adhesive characteristics, electrical characteristics, thermal characteristics, etc. The object of this document is to offer a standard test procedure to ECA manufacturers for product design, production and quality…

IEC 60704-2-9:2024 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 60704-2-9:2024 applies to electric hand-held hairdryers for household and similar use supplied from mains,…