Partners save 15% on every standard

Valid

GB/T 45524-2025Public security — Flammable and explosive gas detection and alarm device (English PDF)

公共安全易燃易爆气体探测报警装置

Open the GB/T 45524-2025 preview as PDF

Preview — first pages of GB/T 45524-2025 (full document: 28 pages)

This is a limited preview

Buy now to download the full PDF (28 pages)

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

November 1, 2025

Scope

GB/T 45524-2025 is the English-translated version of 公共安全易燃易爆气体探测报警装置.

GB/T 45524-2025 is the Chinese national standard covering the fixed or portable unit that watches for a gas build-up in a public place — the categories of device and the gases each responds to, the detection limits and the alarm signalling, the overload recovery time that decides how soon a unit is trustworthy again after a high concentration has cleared, the temperature, humidity and storage adaptability, the vibration, impact and free fall, and the inspection rules. First edition, under the Ministry of Public Security. In force from 1 November 2025. Issued on 25 April 2025, it has been in force since 1 November 2025.

Document preview — GB/T 45524-2025

National Standard of the People's Republic of China

ICS: 13.320
Classification: A 91

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Categories2
5 Technical Requirements3
6 Test methods11
7 Inspection Rules18
8 Logo, packaging21
9 Random Technical Documents21
10 Transportation and storage22
Figure 1 Schematic diagram of the composition of the flammable and explosive gas detection and alarm device3
Table 1 Types of flammable and explosive gases5
Table 2 Requirements for detection limits of flammable and explosive gases6
Table 3 Overload recovery time requirements6
Table 4 Working temperature and humidity adaptability requirements8
Table 5 Storage environment adaptability requirements9
Table 6 Vibration test requirements9
Table 7 Impact test requirements10
Table 8 Impact test requirements10
Table 9 Free fall test requirements10
Table 10 Inspection items, technical requirements and test methods19

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

GB/T 191

GB/T 2423.5

GB/T 2423.10

GB/T 2828.1

GB/T 2829

GB/T 4208-2017

GB 8897.4

GB/T 15211-2013

GB 16796-2022

GB/T 17626.2

GB/T 17626.3

GB/T 17626.4

GB/T 17626.5

GB/T 17626.6

GB/T 17626.11

GB/T 17799.1-2017

GB 17799.3-2023

GB 17914

GB/T 20138-2023

GB 30000.3

GB/T 31101-2023

3 Terms and definitions

The terms and definitions defined in GB 17914, GB 30000.3 and the following apply to this document.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 28 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 2423.5 · GB/T 2423.10 · GB 8897.4 · GB/T 15211-2013 · GB/T 17626.2 · GB/T 17626.3 · GB/T 17626.4 · GB/T 17626.5 · GB/T 17626.6 · GB/T 17799.1-2017 · GB/T 20138-2023

Editions of GB/T 45524

Edition	Title	Revision	Status
GB/T 45524-2025	Public security - Flammable and explosive gas detection and alarm device	current edition	Current

This page sells the current edition, GB/T 45524-2025. Earlier editions are listed for reference only.

How to Buy GB/T 45524-2025

1Add to cart. Click the "Buy GB/T 45524-2025" button on this page. You can add more standards before checkout.
2Checkout. Enter your email and billing details. Payment is processed securely by Stripe (cards, Apple Pay, Google Pay supported).
3Instant delivery (0–9 sec). Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4Invoice included. A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.