1. Scope: This regulation is applicable to the initial calibration, subsequent calibration, and in-service inspection of remote sensing gasoline vehicle emission harmful gas detectors. When using this regulation, attention should be paid to the current effective version of the cited literature DB11318-2005, Emission Limits and Detection Methods (Remote Measurement Method) for Exhaust Pollutants from Vehicles Equipped with Positive Ignition Engines. 3 Terminology and Units of Measurement 3.1 Expression of Gas Concentration Value The concentration value of a certain gas is expressed as a percentage of molar ratio (10-2) or a fraction in millions (10-5), denoted as'% 'or'% ' × 10-2 "and" X10-6 ". 3.2 Telemetry method: A method for remotely sensing the concentration of pollutants in the exhaust of vehicles equipped with spark ignition engines during driving using optical principles. 3.3 Motor Vehicle Specific Power VSP The actual output power of the engine converted to unit vehicle weight during vehicle operation, in kilowatts per ton, with the symbol kW/t. After approximating and simplifying the parameters, the calculation of VSP in this regulation is carried out according to equation (1). The physical dimensions of the constant part are not marked, and the calculation results do not need to be converted
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