IEC Standards - Page 4 of 30 - Online Standards Free Download

IEC TR 62039-2021 pdf free download – Selection guidelines for polymeric materials for outdoor use under HV stress

IEC TR 62039-2021 pdf free download - Selection guidelines for polymeric materials for outdoor use under HV stress. The minimum requirements are given in Table 1. 4.6volume resistivity Volume resistivity measurements can show the presence of conductive...

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IEC TR 61832-2015 pdf free download – Design and installation of on-line analyser systems − Guide to technical enquiry and bid evaluation

IEC TR 61832-2015 pdf free download - Design and installation of on-line analyser systems − Guide to technical enquiry and bid evaluation. This technical report is intended as a guide to assist in the development of a...

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IEC TR 61597-2021 pdf free download – Overhead electrical conductors – Calculation methods for stranded bare conductors

IEC TR 61597-2021 pdf free download - Overhead electrical conductors - Calculation methods for stranded bare conductors. Based on these values at 20°C, the DC resistances have been calculated for temperatures of50C.8o C and 1oo °c. The...

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IEC 63327-2021 pdf free download – Automatic floor treatment machines for commercial use — Particular requirements

IEC 63327-2021 pdf free download - Automatic floor treatment machines for commercial use — Particular requirements. 4General requirements The machine shall be constructed as follows; The machine when in manual mode shall fulfil the requirements for commercial...

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IEC 63287-1-2021 pdf free download – Semiconductor devices – Generic semiconductor qualification guidelines – Part 1: Guidelines for IC reliability qualification

IEC 63287-1-2021 pdf free download - Semiconductor devices – Generic semiconductor qualification guidelines – Part 1: Guidelines for IC reliability qualification. 5 Failure 5.1 Failure distribution Failure distribution of ICs can be broadly divided into three regions:...

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IEC 63277-2021 pdf free download – Binary power generation systems with capacity less than 100 kW – Performance test methods

IEC 63277-2021 pdf free download - Binary power generation systems with capacity less than 100 kW – Performance test methods. This document specifies the performance test methods for binary power generation systems.lt defines the normalized test conditions...

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IEC 63171-2021 pdf free download – Connectors for electrical and electronic equipment – Shielded or unshielded free and fixed connectors for balanced single-pair data transmission with current-carrying capacity – General requirements and tests

IEC 63171-2021 pdf free download - Connectors for electrical and electronic equipment – Shielded or unshielded free and fixed connectors for balanced single-pair data transmission with current-carrying capacity – General requirements and tests. Whenever the equation results...

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IEC 63085-2021 pdf free download – Radiation protection instrumentation – System of spectral identification of liquids in transparent and semitransparent containers (Raman systems)

IEC 63085-2021 pdf free download - Radiation protection instrumentation – System of spectral identification of liquids in transparent and semitransparent containers (Raman systems). 4 Requirements 4.1Structure and appearance The connection ports of the Raman analyzer should be...

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IEC 63002-2021 pdf free download – Interoperability specifications and communication method for external power supplies used with computing and consumer electronics devices

IEC 63002-2021 pdf free download - Interoperability specifications and communication method for external power supplies used with computing and consumer electronics devices Annex B provides further detail on the robustness and interoperability characteristics of uSBType-C and USB...

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IEC 62977-2-1-2021 pdf free download – Electronic displays – Part 2-1: Measurements of optical characteristics – Fundamental measurements

IEC 62977-2-1-2021 pdf free download - Electronic displays – Part 2-1: Measurements of optical characteristics – Fundamental measurements 5.2 Standard measuring darkroom conditions The luminance contribution from unwanted background illumination reflected off the test display shall be...

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