IEC 61125:2018 pdf download
IEC 61125:2018 pdf download.Insulating liquids – Test methods for oxidation stability Test method for evaluating the oxidation stability of insulating liquids in the delivered state 1 Scope This document describes a test method for evaluating the oxidation stability of insulating liquids in the delivered state under accelerated conditions regardless of whether or not antioxidant additives are present. The duration of...
IEC 60384-26:2018 pdf download
IEC 60384-26:2018 pdf download.Fixed capacitors for use in electronic equipment – Part 26: Sectional specification – Fixed aluminium electrolytic capacitors with conductive polymer solid electrolyte 1 General 1 .1 Scope This part of IEC 60384 applies to fixed aluminium electrolytic capacitors with conductive polymer solid electrolyte primarily intended for d.c. applications for use in electronic equipment. Fixed aluminium electrolytic capacitors...
IEC 61265:2018 pdf download
IEC 61265:2018 pdf download.Electroacoustics – Instruments for measurement of aircraft noise – Performance requirements for systems to measure sound pressure levels in noise certification of aircraft 1 Scope This document specifies requirements for the electroacoustical performance of systems of instruments used to measure sound for the purposes of aircraft noise certification, and for other comparisons among aircraft models, and provides...
IEC 60746-4:2018 pdf download
IEC 60746-4:2018 pdf download.Expression of performance of electrochemical analyzers 1 Scope This part of IEC 60746 is intended: • to specify terminology, definitions and requirements for statements by manufacturers for analyzers, sensor units and electronic units used for the determination of dissolved oxygen partial pressure or concentration; • to establish performance tests for such analyzers, sensor units and electronic units;...
IEC 61757:2018 pdf download
IEC 61757:2018 pdf download.Fibre optic sensors – Generic specification 1 Scope This document is a generic specification covering optical fibres, components and sub- assemblies as they pertain specifically to fibre optic sensing applications. It has been designed to be used as a common working and discussion tool by the vendors of components and subassemblies intended to be integrated in fibre...
IEC 60744:2018 pdf download
IEC 60744:2018 pdf download.Nuclear power plants – Instrumentation and control systems important to safety 1 Scope This document provides requirements and recommendations for the design, construction and test of safety logic assemblies used in safety systems to perform category A safety functions (in accordance with IEC 61 226). Safety logic assemblies include logic such as the hardwired logic assembly interfacing...
IEC 60728-113:2018 pdf download
IEC 60728-113:2018 pdf download.Cable networks for television signals, sound signals and interactive services 1 Scope This part of IEC 60728 is applicable to optical transmission systems for broadcast signal transmission that consist of headend equipment, optical transmission lines, in-house wirings and system outlets. These systems are primarily intended for television and sound signals using digital transmission technology. This document specifies...
IEC 60772:2018 pdf download
IEC 60772:2018 pdf download.Nuclear power plants – Instrumentation systems important to safety – Electrical penetration assemblies in containment structures 1 Scope This document applies to electrical penetration assemblies (EPAs) in containment structures of nuclear power plants. It covers the engineering safety requirements to be met in the design, calculation, qualification, fabrication, assembly, testing, and installation of EPAs. EPAs provide gas-tight...
IEC 61191-1:2018 pdf download
IEC 61191-1:2018 pdf download.Printed board assemblies – Part 1: Generic specification 1 Scope This part of IEC 61 1 91 prescribes requirements for materials, methods and verification criteria for producing quality soldered interconnections and assemblies using surface mount and related assembly technologies. This part of IEC 61 1 91 also includes recommendations for good manufacturing processes. 2 Normative references The...
IEC 60749-12:2018 pdf download
IEC 60749-12:2018 pdf download.Semiconductor devices – Mechanical and climatic test methods – Part 12: Vibration, variable frequency 1 Scope This part of IEC 60749 describes a test to determine the effect of variable frequency vibration, within the specified frequency range, on internal structural elements. This is a destructive test. It is normally applicable to cavity-type packages. NOTE This test method...