
Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, and markings of linear temperature sensitive fire detectors p> This standard is applicable to cable type linear temperature sensing fire detectors, air pipe type linear temperature sensing fire detectors, distributed fiber optic linear temperature sensing fire detectors, fiber optic grating linear temperature sensing fire detectors, and line type multi-point temperature sensing fire detectors installed and used in industrial and civil buildings p> The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document p> GB/T 2423.4 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods, Test Db: Alternating Damp Heat (12 h to 12 h Cycle)
GB/T 2423.18 Environmental Testing, Part 2: Test Kb: Salt Spray, Alternating (sodium chloride solution)GB 4716 point type temperature sensitive fire detectors
GB/T 9969 General Instructions for Industrial Products
GB 12978 Inspection Rules for Fire Electronic Products
GB 16838 Environmental Testing Methods and Severity Levels for Fire Electronic Products
GB/T 17626.2 Electromagnetic Compatibility Testing and Measurement Techniques, Electrostatic Discharge Immunity Testing
GB/T 17626.3 Electromagnetic Compatibility: Testing and Measurement Techniques, Radio Frequency Electromagnetic Field Radiation Immunity
Disturbance TestGB/T 17626.4 Electromagnetic Compatibility, Testing and Measurement Techniques, Electrical Fast Transient Pulse Group Immunity Test
GB/T 17626.5 Electromagnetic Compatibility Testing and Measurement Techniques, Surge (Impact) Immunity Test
GB/T 17626.6 Electromagnetic Compatibility Testing and Measurement Techniques, Conducted Disturbance Immunity Induced by Electromagnetic Fields
GB/T 17626.8 Electromagnetic Compatibility Testing and Measurement Techniques, Power Frequency Magnetic Field Immunity Test
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