BS IEC 62363 pdf download

BS IEC 62363 pdf download

BS IEC 62363 pdf download Radiation protection instrumentation — Portable photon contamination meters and monitors
1 Scope and object
This International Standard is applicable to portable and transportable contamination meters and monitors designed for the direct measurement or the direct detection of surface contamination by photon radiation emitting radionuclides and which comprise at least:
– a detection assembly (comprising counter tube, scintillation detector or semiconductor detector, etc.), which may be connected either rigidly or by means of a flexible cable or incorporated into a single assembly;
– a measurement assembly.
The standard is applicable to:
– photon surface contamination meters;
– photon surface contamination monitors.
The standard is applicable to detection assemblies that are designed to measure photon contamination from radionuclides which emit photons with energy in excess of 5 keV. In particular, this standard should be used to assess the performance of assemblies used to demonstrate that material is free from surface contamination by photon emitting radionuclides.
This standard is also applicable to special purpose assemblies and to assemblies specifically designed to provide limited spectroscopic information to the user.
NOTE These detection assemblies may be used to measure photon emissions from radionuclides that also emit alpha and beta radiations, where the alpha and beta emissions may be shielded due to the nature of the contamination. If shielding of the radioactive emissions occurs, then strictly speaking, the contamination is near to rather than on the surface of the article being monitored.
The object of this standard is to lay down standard requirements and to give examples of acceptable methods, and also to specify general characteristics, general test conditions, radiation characteristics, electrical safety, environmental characteristics, and the requirements of the identification certificate for photon contamination meters and monitors.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60050-393:2003, International Electrotechnical Vocabulary (IEV) – Part 393: Nuclear Instrumentation – Physical phenomena and basic concepts
IEC 60050(394):2007, International Electrotechnical Vocabulary (IEV) – Part 394: Nuclear instrumentation: Instruments, systems, equipment and detectors
IEC 60068-2-27, Environmental testing – Part 2: Tests – Test Ea and guidance: Shock
IEC 60086 (all parts), Primary batteries
3 Terms and definitions
For the purposes of this document, the general terminology concerning the detection and measurement of ionizing radiation and nuclear instrumentation given in IEC 60050-393 and IEC 60050-394 applies. Also, the terms and definitions specific to this standard given in ISO 7503-1, ISO 7503-3, ISO 8769-2 and ISO 11929-1, as well as the following, apply.

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