GA 926-2011
ActiveGeneral technical requirement for micro-dose X-ray transmission body scanners
微剂量透射式X射线人体安全检查设备 通用技术要求
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 术语和定义 → 4 产品分类 → 5 通用技术要求 → 6 试验方法 → 7 测试图像的评价 → 8 包装、标志、贮存和运输 → 9 随机技术文件 Foreword → 1 Scope → 2 Normative References → 3 Terms and Definitions → 4 Product Classification → 5 General Technical Requirements → 6 Test Methods → 7 Evaluation of Test Images → 8 Packaging, Marking, Storage and Transportation → 9 Random Technical Documents
Scope
This standard specifies the technical requirements and test methods for micro-dose X-ray transmission body scanners (hereinafter referred to as equipment), and serves as the basic basis for the design, manufacture, assembly, acceptance and use of such equipment and the formulation of product standards. This standard applies to all types of micro-dose X-ray transmission body scanners.
本标准规定了微剂量透射式x射线人体安全检查设备(以下简称设备)的技术要求、试验方法，是设计、制造、组装、验收和使用此类设备及制定产品标准的基本依据。本标准适用于各类微剂量透射式x射线人体安全检查设备。
Normative References
Keywords
Application Summary AI generated
This standard is used by public security agencies, equipment manufacturers, and testing laboratories to regulate the design, production, and acceptance of micro-dose X-ray transmission body scanners. It ensures that these devices can effectively detect contraband carried on the human body while maintaining very low radiation doses, which is critical for public security and health safety.
该标准由公安部门、安检设备制造商和检测机构使用，用于规范微剂量透射式X射线人体安全检查设备的设计、生产和验收。它确保了设备在低辐射剂量下能有效检测人体携带的违禁品，对公共安全至关重要。
AI Summary AI generated
This standard specifies technical requirements and test methods for micro-dose X-ray transmission body scanners, applicable to all types of such equipment. It covers performance requirements (e.g., contrast sensitivity ≤1.0%, wire resolution of 0.127mm copper wire, single inspection time <15s), radiation safety (single dose ≤4μGy, leakage dose rate <3μGy/h), environmental adaptability, and electrical safety. Equipment is classified by detection principle and structure, with detailed test methods for contrast sensitivity, resolution, dose measurement, etc.
本标准规定了微剂量透射式X射线人体安全检查设备的技术要求和试验方法，适用于各类此类设备。标准涵盖性能要求（如对比灵敏度≤1.0%、线分辨力0.127mm铜线、单次检查时间<15s）、辐射安全（单次剂量≤4μGy、泄漏剂量率<3μGy/h）、环境适应性、电气安全等。设备按探测原理和结构形式分类，并规定了详细的试验方法，包括对比灵敏度、分辨力、剂量测试等。
Key Sentences extracted from text
本标准规定了微剂量透射式x射线人体安全检查设备(以下简称设备)的技术要求、试验方法，是设计、制造、组装、验收和使用此类设备及制定产品标准的基本依据。
设备的对比灵敏度应小于等于1.0%。
设备应能分辨标称直径为0.127 mm的单根实芯铜线。
设备的单次检查剂量应小于或等于4 μGy。
在距设备外表面5 cm的任意处(包括设备入口、出口处)，x射线泄漏剂量率应小于3 μGy/h。
This standard specifies the technical requirements and test methods for micro-dose X-ray transmission body scanners (hereinafter referred to as equipment), and serves as the basic basis for the design, manufacture, assembly, acceptance and use of such equipment and the formulation of product standards.
The contrast sensitivity of the equipment shall be less than or equal to 1.0%.
The equipment shall be able to resolve a single solid copper wire with a nominal diameter of 0.127 mm.
The single inspection dose of the equipment shall be less than or equal to 4 μGy.
At any point 5 cm from the outer surface of the equipment (including the equipment entrance and exit), the X-ray leakage dose rate shall be less than 3 μGy/h.