1 Scope: This specification is applicable to the type evaluation of a fixed angle non modulated single frequency continuous wave fixed angle radar velocimeter (hereinafter referred to as the radar velocimeter) using the radar Doppler frequency shift principle, including the radar velocimeter unit (hereinafter referred to as the radar velocimeter unit) of the fixed angle radar overspeed automatic monitoring system. 2. Reference JJG 527-2007 Motor Vehicle Overspeed Automatic Monitoring System JJG528-2004 Motor Vehicle Radar Velocimeter GB/T 2423.1-2008 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods, Test A: Low Temperature GB/T 2423.2-2008 Environmental Testing for Electrical and Electronic Products, Part 2: Test Method: Test B; High temperature GB/T 2423.4-2008 Environmental testing for electrical and electronic products - Part 2: Test methods - Test Db; Alternating Damp Heat (12 h+12 h Cycle) GB/T 2423.5-1995 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods, Test Ea and Guidelines: Impact GB/T 2423.10-2008 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods, Test Fc: Vibration (Sine) GB/T 2423.37-2006 Environmental Testing for Electrical and Electronic Products: Part 2: Test Methods, Test L; Dust Test GB/T 2423.38-2008 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods: Test R: Water Test Methods and Guidelines GB/T 3784-2009 Electrotechnical Terminology Radar GB/T 17626.2-2006 Electromagnetic Compatibility, Testing and Measurement Techniques Electrostatic Discharge Immunity Test GB/T 17626.3-2006 Electromagnetic Compatibility, Testing and Measurement Techniques Radio Frequency Electromagnetic Field Radiation Immunity Test GB/T 17626.4-2008 Electromagnetic Compatibility Testing and Measurement Techniques Transient pulse group immunity
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