GB 16808-2025 English PDFUS$689.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 16808-2025: Combustible gas alarm control units Status: Valid GB 16808: Historical versions
Basic dataStandard ID: GB 16808-2025 (GB16808-2025)Description (Translated English): Combustible gas alarm control units Sector / Industry: National Standard Classification of Chinese Standard: C81 Classification of International Standard: 13.220.20 Word Count Estimation: 34,324 Date of Issue: 2025-08-01 Date of Implementation: 2026-08-01 Older Standard (superseded by this standard): GB 16808-2008 Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China GB 16808-2025: Combustible gas alarm control units---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB16808-2025ICS 13.220.20 CCSC81 National Standard of the People's Republic of China Replaces GB 16808-2008 Combustible gas alarm controller Released on August 1, 2025 Implementation on August 1, 2026 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Categories 2 5 Technical Requirements 2 5.1 General Requirements 2 5.2 Appearance requirements 2 5.3 Performance of main components (devices) 2 5.4 Ground terminal 3 5.5 Overall performance 4 5.6 Insulation resistance 9 5.7 Leakage Current 9 5.8 Electric strength 9 5.9 Electromagnetic compatibility performance 9 5.10 Climate and environmental tolerance 10 5.11 Mechanical environmental resistance 11 6 Test Methods 12 6.1 General Requirements 12 6.2 Combustible gas alarm function test 13 6.3 Combustible gas alarm control function test 13 6.4 Fault alarm function test 14 6.5 Combustible gas concentration display function test 14 6.6 Shielding function test 14 6.7 Self-check function test 15 6.8 Information display and query function test 15 6.9 Communication function test with the graphic display device in the fire control room 15 6.10 System compatibility function test 15 6.11 Power supply function test 15 6.12 Insulation resistance test 16 6.13 Leakage current test 16 6.14 Electric strength test 16 6.15 Radio frequency electromagnetic field radiation immunity test 17 6.16 Radio frequency field induced conducted disturbance immunity test 17 6.17 Electrostatic discharge immunity test 17 6.18 Electrical fast transient burst immunity test 17 6.19 Surge (impact) immunity test 18 6.20 Voltage dips, short interruptions and voltage variations immunity test 18 6.21 Power supply transient test 18 6.22 Low temperature (operation) test 18 6.23 High temperature (operation) test 19 6.24 Steady-state damp heat (operation) test 19 6.25 Steady-state damp heat (durability) test 19 6.26 Vibration (sinusoidal) (operating) test 19 6.27 Crash Test 20 7 Inspection Rules 20 7.1 Product factory inspection 20 7.2 Type inspection 20 8 Sign 21 8.1 Product Labeling 21 8.2 Quality Inspection Mark 21 Appendix A (Normative) Controller Housing Combustion Performance 22 A.1 Requirement 22 A.2 Test 22 Reference 26 Preface 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. This document replaces GB 16808-2008 "Combustible Gas Alarm Controller". Compared with GB 16808-2008, except for the structural adjustment and editing In addition to the functional changes, the main technical changes are as follows. a) Added a chapter on “Terms and Definitions” (see Chapter 3); b) Added the classification of combustible gas alarm controllers according to the use environment and application mode (see 4.2 and 4.3); c) Added enclosure protection requirements (see 5.3.1.6); d) Added the shell combustion performance requirements (see 5.3.1.7); e) Changed the record storage function requirements (see 5.3.1.9, 4.1.3.10 of the.2008 edition); f) Added wiring requirements for audio components (see 5.3.4.1); g) Added backup power supply and battery requirements (see 5.3.7); h) Changed the display requirements for delay time (see 5.5.1.3, 4.1.3.3 of the.2008 edition); i) Added the function that the controller can only send out a combustible gas alarm signal after receiving two or more combustible gas alarm signals Requirements (see 5.5.1.8); j) Added the requirements for combustible gas alarm control functions (see 5.5.2); k) Changed the requirements for fault alarm function (see 5.5.3, 4.1.4 of the.2008 edition); l) The requirements for the combustible gas concentration display function have been changed (see 5.5.4, 4.1.2 of the.2008 edition); m) Added information display and query function requirements (see 5.5.7); n) Added the requirements for communication functions with the graphic display device in the fire control room (see 5.5.8); o) Added system compatibility function requirements (see 5.5.9); p) Changed the power supply function requirements (see 5.5.10, 4.1.7 of the.2008 edition); q) Increased leakage current requirements (see 5.7); r) Added high temperature (operation) test (see 5.10); s) Added the steady-state damp heat (durability) test (see 5.10); t) The vibration (sinusoidal) (endurance) test (see 5.20 of the.2008 edition) has been deleted. 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 proposed and coordinated by the National Fire and Rescue Administration. The previous versions of this document and the documents it replaces are as follows. --- First issued as GB 16808-1997 in.1997 and first revised in.2008; ---This is the second revision. Combustible gas alarm controller 1 Scope This document defines the terminology of combustible gas alarm controllers, specifies the classification, technical requirements, inspection rules and markings, and describes the corresponding Test method. This document applies to the design, manufacture, and maintenance of combustible gas alarm controllers (hereinafter referred to as “controllers”) used in industrial and civil buildings. Make and test. 2 Normative references The contents of the following documents constitute the 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 4208-2017 Degrees of protection provided by enclosures (IP code) GB 4717-2024 Fire Alarm Controller GB/T 9969 General Principles for Instructions for Use of Industrial Products GB 12978 Inspection Rules for Fire Protection Electronic Products GB/T 16838 Environmental test methods and severity levels for fire protection electronic products GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.3 Electromagnetic compatibility test and measurement techniques Part 3.Radio frequency electromagnetic field radiated immunity test GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient burst immunity test GB/T 17626.5 Electromagnetic compatibility test and measurement technology surge (shock) immunity test GB/T 17626.6 Electromagnetic compatibility test and measurement techniques - Immunity to conducted disturbances induced by radio frequency fields GB/T 17626.11 Electromagnetic compatibility test and measurement techniques Part 11.For devices with input current less than or equal to 16A per phase Voltage dips, short interruptions and voltage variations immunity test for equipment 3 Terms and Definitions The following terms and definitions apply to this document. 3.1 Shield status disabled condition The state the controller is in after the muting function is activated. 3.2 Self-test condition The state of the controller when performing self-test function. 3.3 Normal monitoring status monitoringcondition The state of the controller when it is powered on and operating normally, and no combustible gas alarm, fault alarm, shielding, self-test, etc. occurs. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 16808-2025_English be delivered?Answer: Upon your order, we will start to translate GB 16808-2025_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB 16808-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 16808-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
