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GB/T 45524-2025: Public security - Flammable and explosive gas detection and alarm device
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45524-2025 | English | 619 |
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Public security - Flammable and explosive gas detection and alarm device
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GB/T 45524-2025
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Basic data | Standard ID | GB/T 45524-2025 (GB/T45524-2025) | | Description (Translated English) | Public security - Flammable and explosive gas detection and alarm device | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A91 | | Classification of International Standard | 13.320 | | Word Count Estimation | 30,398 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45524-2025: Public security - Flammable and explosive gas detection and alarm device---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 13.320
CCSA91
National Standard of the People's Republic of China
Public safety flammable and explosive gas detection and alarm device
Released on 2025-04-25
2025-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Categories 2
5 Technical Requirements 3
6 Test methods 11
7 Inspection Rules 18
8 Logo, packaging 21
9 Random Technical Documents 21
10 Transportation and storage 22
Figure 1 Schematic diagram of the composition of the flammable and explosive gas detection and alarm device 3
Table 1 Types of flammable and explosive gases 5
Table 2 Requirements for detection limits of flammable and explosive gases 6
Table 3 Overload recovery time requirements 6
Table 4 Working temperature and humidity adaptability requirements 8
Table 5 Storage environment adaptability requirements 9
Table 6 Vibration test requirements 9
Table 7 Impact test requirements 10
Table 8 Impact test requirements 10
Table 9 Free fall test requirements 10
Table 10 Inspection items, technical requirements and test methods 19
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is issued by the Ministry of Public Security of the People's Republic of China.
This document is under the jurisdiction of the National Security Alarm System Standardization Technical Committee (SAC/TC100).
This document was drafted by. The Third Research Institute of the Ministry of Public Security, Fujian Transportation Research Institute Co., Ltd., Fujian Meiying Automation Technology Co., Ltd.,
Shanghai Quality and Standardization Research Institute, First Research Institute of the Ministry of Public Security, Anhui Military Industry Group Holding Co., Ltd., Fuzhou University, China Railway Science and Technology
Institute of Electronic Computing Technology of Research Institute Group Co., Ltd. and Shanghai Yijie Industrial Safety Equipment Co., Ltd.
The main drafters of this document are. Liu Caixia, Huang Qingcheng, Meng Chen, Shen Xiang, Shao Yichao, Xie Fangyi, Dong Bin, Huang Yantang, Xing Gengli, Li Ruyi,
Chen Chong, Yan Yuchong, Lü Xiaojun, Zhang Jie, Li Yufei, Zhang Jing, Chen Muyi.
Public safety flammable and explosive gas detection and alarm device
1 Scope
This document specifies the classification, technical requirements, inspection rules, marking, packaging, random technical documents,
The requirements for transportation and storage are described, and the corresponding test methods are described.
This document applies to the design, manufacture and inspection of flammable and explosive gas detection and alarm devices in the public safety field.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 2423.5 Environmental testing Part 2.Test method Test Ea and guidance. Impact
GB/T 2423.10 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal)
GB/T 2828.1 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on the acceptance quality limit (AQL)
GB/T 2829 Periodic inspection sampling procedures and tables (applicable to the inspection of process stability)
GB/T 4208-2017 Enclosure protection degree (IP code)
GB 8897.4 Primary batteries Part 4.Safety requirements for lithium batteries
GB/T 15211-2013 Environmental adaptability requirements and test methods for security alarm equipment
GB 16796-2022 Safety requirements and test methods for security alarm equipment
GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test
GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3.Radio frequency electromagnetic field radiation immunity test
GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test
GB/T 17626.5 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test
GB/T 17626.6 Electromagnetic compatibility test and measurement technology - Immunity to conducted disturbances induced by radio frequency fields
GB/T 17626.11 Electromagnetic compatibility test and measurement technology Part 11.For each phase input current less than or equal to 16A
Voltage dips, short interruptions and voltage variations immunity test for equipment
GB/T 17799.1-2017 General standard for electromagnetic compatibility Immunity in residential, commercial and light industrial environments
GB 17799.3-2023 General standard for electromagnetic compatibility Emissions of equipment in residential environments
GB 17914 Technical conditions for storage and maintenance of flammable and explosive commodities
GB/T 20138-2023 Protection level of electrical equipment enclosure against external mechanical impact (IK code)
GB 30000.3 Chemical Classification and Labelling Specification Part 3.Flammable Gases
GB/T 31101-2023 Information technology real-time positioning system performance test method
3 Terms and definitions
The terms and definitions defined in GB 17914, GB 30000.3 and the following apply to this document.
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