GB/T 19802

📋 Scope / 适用范围 ai_extracted

This standard specifies the minimum requirements for film viewers used for viewing industrial radiographic films. The function of the film viewer depends on the observation of radiographic films. The film viewer shall ensure personnel safety and comply with the requirements of current national electrical safety standards regarding maximum voltage, insulation, and grounding of electrical installations.

📝 Foreword / 前言 ai_extracted

This standard is identical to ISO 5580:1985 *Non-destructive testing — Industrial radiographic illuminators — Minimum requirements* (English version). This standard is an identical translation of ISO 5580:1985. For ease of use, the following editorial modifications have been made: a) The term "this International Standard" has been replaced with "this standard"; b) The comma "," used as a decimal mark has been replaced with a decimal point "."; c) The foreword of the International Standard has been deleted; d) Table numbering has been added in accordance with GB/T 1.1-2000. This standard is proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Technical Committee for Standardization of Non-destructive Testing (SAC/TC 56). The drafting organization of this standard is Shanghai Research Institute of Materials. The main drafters of this standard are Jin Yufei, Yi Zhongyu, and Zhou Jiujiu. GB/T 19802-2005 / ISO 5580:1985 Non-destructive testing — Industrial radiographic illuminators — Minimum requirements

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