IEC 62114 pdf download
IEC 62114 pdf download.Electrical insulation systems (EIS) – Thermal classification 1 Scope This International Standard establishes the thermal classification of an electrical insulation system (EIS). It also identifies recognized procedures for the thermal evaluation of EIS. This standard is applicable to EIS used in electrotechnical devices where the thermal factor is the dominating ageing factor. 2 Normative references The following...
IEC 60969 pdf download
IEC 60969 pdf download.Self-ballasted lamps for general lighting services 1 Scope This standard specifies the performance requirements together with the test methods and conditions required to show compliance of tubular fluorescent and other gas-discharge lamps with integrated means for controlling starting and stable operation (self-ballasted lamps) intended for domestic and similar general lighting purposes having: – a rated wattage up...
IEC 61834-7 pdf download
IEC 61834-7 pdf download.Recording – Helical-scan digital video cassette recording system using 6,35 mm magnetic tape for consumer use (525-60, 625-50, 1125-60 and 1250-50 systems) 1 General 1.1 Scope This part of IEC 61834 is an extension to the SD specification (SD mode) and covers the features necessary for the recording and reproduction of EDTV2 signals. While all DVCRs must...
IEC 62088 pdf download
IEC 62088 pdf download.Nuclear instrumentation – Photodiodes for scintillation detectors – Test procedures 1 Scope and object This International Standard applies to solid-state photodiodes (PD) and solid-state photodiode arrays (PDA) used in scintillation detectors or in Cherenkov detectors. Avalanche photodiodes (APD) are also covered by the test methods recommended in this standard, but they need some additional specific tests also...
IEC 61685 pdf download
IEC 61685 pdf download.Ultrasonics – Flow measurement systems – Flow test object 1 Scope This International Standard specifies parameters for a flow Doppler test object representing a blood vessel of known diameter at a certain depth in human tissue, carrying a steady flow. This International Standard establishes a flow Doppler test object which can be used to assess various aspects...
IEC 62198 pdf download
IEC 62198 pdf download.Project risk management – Application guidelines 1 Scope This International Standard is applicable to any project with a technological content. It may also apply to other projects. It provides a general introduction to project risk management, its subprocesses and influencing factors. These subprocesses are: − establishing the context, including confirmation of project objectives; − risk identification; −...
IEC 60192 pdf download
IEC 60192 pdf download.Low-pressure sodium vapour lamps – Performance specifications 1 General 1.1 Scope This standard specifies the performance requirements for low-pressure sodium vapour lamps for general lighting purposes. For some of the requirements given in this standard, reference is made to “the relevant lamp data sheet”. For some lamps these data sheets are contained in this standard. For other...
IEC 61865 pdf download
IEC 61865 pdf download,Overhead lines – Calculation of the electrical component of distance between live parts and obstacles – Method of calculation 1 Scope This International Standard provides guidance for the calculation of electrical distances between live and earthed parts required to prevent air-gap breakdown which may endanger members of the public who legitimately come close to live parts. It...
IEC 61562 pdf download
IEC 61562 pdf download.Radiation protection instrumentation – Portable equipment for measuring specific activity of beta-emitting radionuclides in foodstuffs 1 Scope and object This International Standard applies to portable instruments used for measuring the specific activity of beta-emitting radionuclides in food/foodstuffs and intended for operation under field conditions. This does not apply to low background laboratory instrumentation requiring highly skilled personnel....
IEC 60188 pdf download
IEC 60188 pdf download.High-pressure mercury vapour lamps – Performance specifications 1 General 1.1 Scope This standard specifies the performance requirements for high-pressure mercury vapour lamps for general lighting purposes, with or without a red correcting fluorescent coating. For some of the requirements given in this standard, reference is made to “the relevant lamp data sheet”. For some lamps these data...