IEC 61563 pdf download
IEC 61563 pdf download.Radiation protection instrumentation – Equipment for measuring specific activity of gamma-emitting radionuclides in foodstuffs 1 Scope and object 1.1 Scope This International Standard applies to portable instruments used for measuring the specific or volumic activity of gamma-emitting radionuclides in food/foodstuffs intended for operation under field conditions, particularly in case of a post-accidental situation. It does not apply...
IEC 62077 pdf download
IEC 62077 pdf download.Fibre optic circulators – Generic specification 1 General 1.1 Scope This International Standard applies to circulators used in the field of fibre optics bearing all of the following features: – they are non-reciprocal optical devices, in which each port is either an optical fibre or optical fibre connector; – they are passive components containing no opto-electronic or...
IEC 60252-1 pdf download
IEC 60252-1 pdf download.General – Performance, testing and rating – Safety requirements – Guide for installation and operation 1 General 1.1 Scope and object This International Standard applies to motor capacitors intended for connection to windings of asynchronous motors supplied from a single-phase system having a frequency up to and including 1 00 Hz, and to capacitors to be connected...
IEC 61584 pdf download
IEC 61584 pdf download.Radiation protection instrumentation – Installed, portable or transportable assemblies – Measurement of air kerma direction and air kerma rate 1 General 1.1 Scope and object 1.1.1 This International Standard is applicable to installed, portable or transportable assemblies intended to measure – the direction of an X or gamma radiation source in terms of azimuth and elevation angles,...
IEC 60529 pdf download
IEC 60529 pdf download.Degrees of protection provided by enclosures (IP Code) 1 Scope and object This standard applies to the classification of degrees of protection provided by enclosures for electrical equipment with a rated voltage not exceeding 72,5 kV. The object of this standard is to give: a) Definitions for degrees of protection provided by enclosures of electrical equipment as...
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...