Standard No.:	GB 4715-2024
English Name:	Point-type smoke detectors using scattered light,transmitted light or ionization
Chinese Name:	点型感烟火灾探测器
Chinese Classification:	C81    Fire monitoring, alarming and fire-fighting dispatching system
Professional Classification:	GB    National Standard
ICS Classification:	13.220.20 13.220.20    Fire protection 13.220.20
Source Content Issued by:	SAMR; SAC
Issued on:	2024-04-29
Implemented on:	2025-5-1
Status:	valid
Superseding:	GB 4715-2005 Smoke Detectors—Point Detectors Using Scattered Light, Transmitted
Target Language:	English
File Format:	PDF
Word Count:	28600 words
Translation Price(USD):	1144.0
Delivery:	via email in 1~5 business day

本文件规定了点型感烟火灾探测器的分类、要求、检验规则和标志，描述了相应的试验方法。本文件适用于工业与民用建筑中使用的点型感烟火灾探测器产品的设计、制造和检验。

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 5 Requirements 5.1 General requirements 5.2 Packaging and appearance 5.3 Performance of main components (parts) 5.4 Control software requirements 5.5 Smoke response repeatability 5.6 Smoke response orientation 5.7 Consistency 5.8 Power supply parameter fluctuation performance 5.9 Airflow interference resistance 5.10 Resistance to ambient light interference (applicable to photodetectors) 5.11 Electromagnetic compatibility 5.12 Climatic environmental tolerance 5.13 Mechanical environmental tolerance 5.14 Fire sensitivity 5.15 Contamination alarm function of sensing components (applicable to photodetectors) 5.16 Composite detection 6 Test methods 6.1 General 6.2 Smoke response repeatability test 6.3 Smoke response orientation test 6.4 Conformance test 6.5 Power supply parameter fluctuation performance test 6.6 Test of resistance to ambient light interference (applicable to photoelectric specimens) 6.7 Test of resistance to airflow interference 6.8 High temperature (operation) test 6.9 Low temperature (operation) test 6.10 Cyclic damp heat (operation) test 6.11 Steady-state damp-heat (durability) test 6.12 Sulfur dioxide (SO2) corrosion (durability) test 6.13 Impact (operation) test 6.14 Collision test 6.15 Vibration (sinusoidal) (operation) test 6.16 Vibration (sinusoidal) (durability) test 6.17 Radiated, radio-frequency, electromagnetic field immunity test 6.18 Test for immunity to conducted disturbances, induced by radio-frequency fields 6.19 Electrostatic discharge immunity test 6.20 Electrical fast transient/burst immunity test 6.21 Surge immunity test 6.22 Fire sensitivity test 6.23 Contamination alarm function test of sensing components (applicable to photoelectric specimens) 7 Inspection rules 7.1 End-of-manufacturing inspection 7.2 Type inspection 8 Marking 8.1 General 8.2 Product marking 8.3 Quality inspection marking Annex A (Normative) Smoke box for threshold value test Annex B (Normative) Test smoke Annex C (Normative) Flasher Annex D (Normative) Collision test device Annex E (Normative) Combustion laboratory Annex F (Normative) Test fire SH1 - Wood smoldering fire Annex G (Normative) Test fire SH2 - Cotton rope smoldering fire Annex H (Normative) Test fire SH3 - Polyurethane plastic fire Annex I (Normative) Test fire SH4 - N-heptane fire Annex J (Normative) Dust environment simulation test device