This standard specifies the terms and definitions, classification and naming, requirements, testing methods, installation, inspection rules, markings, certificates of conformity, and packaging of sign lamps for police vehicles, fire trucks, ambulances, and engineering rescue vehicles (hereinafter referred to as sign lamps). This standard applies to sign lamps installed and used on police vehicles, fire trucks, ambulances, engineering rescue vehicles, and other vehicles. The clauses in the following documents are referred to as provisions of this standard through normative references. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB/T 2423.1 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Test A: Low Temperature (GB/T 2423.1-2008, IEC 60068-2-1:2007, IDT) GB/T 2423.2 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Test B: High Temperature (GB/T 2423.2-2008, IEC 60068-2-2:2007, IDT) GB/T 2423.10 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods: Test Fc: Vibration (Sine>) (GB/T 2423.10-2008, IEC 60068-2-6:1995, IDT) GB/T 2423.17 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods, Test Ka: Salt Spray (GB/T 2423.17-2008, IEC 60068-2-11:1981, IDT) GB/T 2828.1 Sampling Procedures for Inspection by Attribute, Part 1: Sampling Plan for Batch Inspection Retrieved by Acceptance Quality Limit (AQL) (GB/T 2828.1-2003, ISO 2859-1:1999, IDT) GB/T 3785 Sound Level Meters Sound Performance and Test Methods GB/T 3979 Measurement of Object Color GB/T 4599-2007 Automotive Filament Bulb Headlamps GB/T 6739 Paints and Varnishes, Pencil Method for Determination of Film Hardness (GB/T 6739-2006, ISO 151841998, IDT) GB/T 8417-2003 Light Signal Color GB 15766.1 Road Motor Vehicle Bulbs, Dimensions Photoelectric performance requirements (GB 15766.1-2008, IEC 60809; 2004; ECE R37:2006; ECE R99:2006, NEQ) GB/T 16422.2, Plastics laboratory light source exposure test methods, Part 2: Argon arc lamps (GB/T 16422.2-1999, idt ISO 4892-2:1994) GB/T19666 General principles for flame retardant and fire-resistant wires and cables
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China