Low-voltage electrical installations - Part 8-1: Functional aspects - Energy efficiency
IEC 60364-8-1:2019(E) provides additional requirements, measures and recommendations for the design, erection and verification of all types of low-voltage electrical installation including local production and storage of energy for optimizing the overall efficient use of electricity. It introduces requirements and recommendations for the design of an electrical installation within the framework…
Industrial-process control valves - Part 3-1: Dimensions - Face-to-face dimensions for flanged, two-...
IEC 60534-3-1:2019 specifies face-to-face (FTF) and centre-to-face (CTF) dimensions for given nominal sizes and pressure ratings of flanged, two-way, globe-type, straight pattern and angle pattern control valves This second edition cancels and replaces the first edition published in 2000. This edition constitutes a technical revision.<br />
This edition includes the following significant…
Light and lighting — Maintenance factor determination — Way of working
This document specifies a standardized way of working for determining the maintenance factor for both outdoor and indoor lighting installations using the methodology as described in CIE 154:2003 and CIE 097:2005.
Graphic technology — Print quality requirements for printed matter — Part 1: Measurement methods and...
This document defines print quality metrics, measurement methods and reporting requirements for printed sheets that are suitable for all classes of printed products.
Guidance as to which of these metrics to apply to any given product category along with acceptable conformance criteria is provided in subsequent parts of ISO/TS 15311.
Although this document is expected to be used primarily to…
Software engineering - Recommended practice for software acquisition
This recommended practice describes a set of useful quality considerations that can be selected and applied during one or more steps in a software acquisition process. The recommended practices can be applied to software that runs on any computer system regardless of the size, complexity, or criticality of the software. The software supply chain may include integration of commercial-off-the-shelf…
Systems and software engineering - Life cycle management - Part 7: Application of systems engineerin...
This document establishes the requirements for systems engineering activities to be performed on projects of the United States (US) Department of Defense (DoD) and other defense agencies across the entire system life cycle, including the planning, acquisition, modification, and sustainment of defense systems. It provides the foundation for systems engineering within the context of ISO/IEC/IEEE…
