GB15208.1-2018
Micro-dose X-ray security inspection system—Part 1:General technical requirements
微剂量X射线安全检查设备 第1部分：通用技术要求
GB 15208.1-2018 is a current mandatory Chinese national standard for Micro-dose X-ray security inspection system—Part 1:General technical requirements. It appears in the Machinery compliance cluster with a product safety focus and has an implementation date of Dec 1, 2019.
Applicability depends on product scope, certification route, competent authority notices and transition rules. Requst for the translation or verify source before using this record in a compliance decision.
Compliance overview
Scope and applicability
This standard applies to the design, manufacturing, acceptance, and use of various micro-dose X-ray security inspection systems. It specifically covers equipment used for baggage, cargo, and human body screening, utilizing transmission or backscatter technologies. This standard is mandatory for all manufacturers of micro-dose X-ray security equipment. It is important to note that this standard does not apply to Computed Tomography (CT) systems, electron accelerators, or X-ray security inspection equipment with an energy output greater than 500keV.
Technical requirements
The standard comprehensively specifies the general technical requirements for micro-dose X-ray security inspection systems. A primary focus is on radiation and environmental safety indicators, establishing strict limits for the dose per inspection and the ambient dose equivalent rate to ensure operator and public safety. Compliance with these radiation limits is strictly enforced for both open-type and shielded-type equipment. Additionally, the standard mandates robust safety performance features. Equipment must include safety interlocks, emergency stop switches, and overcurrent protection. For X-ray generating devices, specific requirements for self-cooling, temperature/pressure control, and overvoltage protection are outlined. Manufacturers must integrate these fail-safe mechanisms to prevent accidental radiation exposure. The document also details requirements for mechanical structure and electromagnetic compatibility (EMC). Equipment must meet specific ingress protection (IP) ratings and demonstrate immunity against electrostatic discharge, radio-frequency interference, and power surges, aligning with the GB/T 17799 series standards. Finally, the standard sets functional requirements for human-machine interaction and image processing. Systems must support image enhancement, organic/inorganic material discrimination (for multi-energy systems), and possess sufficient storage capacity to retain a minimum of 10,000 scanned images. Equipment must also feature a self-diagnostic function to report the operational status of critical components.
Testing methods
The standard outlines a rigorous testing methodology to verify compliance. Key evaluations include radiation dose testing, which measures the single inspection dose and ambient dose equivalent rate using calibrated dosimeters, as detailed in the normative appendices. Testing must be conducted at maximum operational parameters to simulate worst-case scenarios. Furthermore, the standard requires electromagnetic compatibility (EMC) testing and electrical safety assessments, referencing the GB/T 17626 and GB 4793.1 series for methods regarding immunity, emission, and protection against electric shock and mechanical hazards. Environmental adaptability tests, including temperature, humidity, vibration, and transportation simulations, are also mandated to ensure equipment reliability under harsh conditions.
FAQs
What products are regulated under GB 15208.1-2018?
This standard applies to the design, manufacturing, acceptance, and use of various micro-dose X-ray security inspection systems. It does not apply to CT scanners, electron accelerators, or systems with an X-ray generating energy greater than 500keV.
Are there any updates from the previous version of GB 15208.1?
The 2018 version is a mandatory standard that replaced GB 15208.1-2005. Major updates include the addition of new terminology (such as effective atomic number and ambient dose equivalent rate), a new equipment classification system, revised radiation safety indicators, and new requirements for system self-diagnosis and image storage capacities.
How does GB 15208.1-2018 differ from international standards?
While it outlines general technical requirements, GB 15208.1-2018 heavily references Chinese national standards for basic safety (GB 4793.1) and electromagnetic compatibility (GB/T 17799 series). Manufacturers compliant with relevant IEC standards should carefully map these to the specified GB equivalents to ensure compliance.
The summary above provides a high-level overview of GB 15208.1-2018. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 15208.1-2018 today to access all detailed parameters, tables, and testing procedures.
Applicability hints
- Type
- Product
- CCS
- A91
- ICS
- 13.310
- Competent department
- Ministry of Public Security
- Technical committee
- National Technical Committee on Security Alarm Systems of Standardization Administration of China
Relationships
Replaces:GB 15208.1-2005