GB/T 14058-2023Apparatus for gamma radiography (English PDF)

1 Scope

This document specifies the product classification, technical requirements, test methods, inspection rules and signs, packaging, transportation and storage of gamma-ray flaw detectors:

Save and so on:

This document does not specify the requirements for the reading system of gamma-ray flaw detectors:

This document is applicable to flaw detector products that use gamma rays emitted by sealed radioactive sources for industrial radiography:

This document does not apply to gamma-ray flaw detectors designed for special purposes:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document:

GB 190 Dangerous Goods Packaging Marking

GB/T 5226:1 Safety of machinery and electrical machinery and electrical equipment - Part 1: General technical requirements

GB/T 7408 Data elements and exchange formats Information exchange date and time representation

GB/T 8993-1998 Environmental conditions and test methods for nuclear instruments

GB 11806 Regulations for Safe Transport of Radioactive Materials

GB/T 12626:1 Wet Laid Hardboard Part 1: Definition and Classification

GB/T 14056:1 Determination of Surface Contamination Part 1: beta Emitter (Ebetamax >0:15MeV) and alpha Emitter

GB/T 15479 Technical requirements and test methods for insulation resistance and dielectric strength of industrial automation instruments

GB 18871 Basic standards for protection against ionizing radiation and safety of radiation sources

3 Terms and Definitions

The following terms and definitions apply to this document:

3:1

A device that uses gamma rays generated by radioactive isotopes to detect internal defects in test pieces:

NOTE: Includes a source container and its accessories:

3:2

A radioactive substance that is sealed in a casing or tightly bound to a certain material:

Note 1: Under normal use and normal wear conditions, the cladding or bonding material is sufficient to maintain the tightness of the source:

Note 2: Hereinafter referred to as "sealed source":

3:3 simulatedsource simulatedsource

A source that has the same structure as a sealed source but does not contain any radioactive material:

GB/T 13286 | NB/T 20318 | GB/T 24247 | GB/T 41485 | GB/T 35734 | […]