GB 3847-2018 PDF EnglishUS$405.00 · In stock · Download in 9 seconds
GB 3847-2018: Limits and measurement methods for emissions from diesel vehicles under free acceleration and lugdown cycle Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 3847: Historical versions
GB 3847-2018: Limits and measurement methods for emissions from diesel vehicles under free acceleration and lugdown cycle---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/GB3847-2018 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS Replacing GB 3847-2005, HJ/T 241-2005 Limits and measurement methods for emissions from diesel vehicles under free acceleration and lugdown cycle Issued on. SEPTEMBER 27, 2018 Implemented on. MAY 01, 2019 Issued by. Ministry of Ecology and Environment; State Market Regulatory Administration. Table of ContentsForeword... 4 1 Scope... 6 2 Normative references... 6 3 Terms and definitions... 7 4 Inspection items... 10 5 Inspection process and requirements... 11 6 Appearance inspection... 14 7 Inspection of on-board diagnostic system (OBD)... 15 8 Testing of emission pollutants... 16 9 Requirements for data recording, storage, submission... 18 10 Emission monitoring of in-use vehicles... 19 11 Implementation of standards... 20 Appendix A (Normative) Free acceleration method... 21 Appendix B (Normative) Lugdown method... 25 Appendix BA (Informative) Pre-inspection requirements of lugdown test for vehicles... 49 Appendix BB (Normative) Test equipment technical requirements... 52 Appendix C (Normative) Characteristics and installation requirements for opacity meter... 60 Appendix D (Normative) Ringelmann smoke method... 67 Appendix E (Normative) Inspection procedure of on-board diagnostic (OBD) system... 74 Appendix EA (Normative) Technical requirements for OBD diagnostic instrument... 78 Appendix EB (Normative) OBD inspection data item... 81 Appendix F (Normative) Inspection report... 83 Appendix G (Normative) Reporting data items in real time... 911 ScopeThis standard specifies the limits and measurement methods for emissions from diesel vehicles under free acceleration and lugdown cycle, as well as the method and judgment basis of appearance inspection and OBD inspection of diesel vehicle. This standard is applicable to the inspection for new produced vehicle at end of production line, inspection for register vehicle, inspection for in-use vehicle. This standard also applies to other vehicles equipped with compression ignition engines. This standard does not apply to low-speed trucks and three-wheeled vehicles.2 Normative referencesThe contents of this standard refer to the following documents or their terms. For undated references, the valid versions are applicable to this standard. GB/T 5181-2001 Automotive emission - Terms and definitions GB 7258 Safety specifications for power-driven vehicles operating on roads GB 17691 Limits and measurement methods for exhaust pollutants from compression ignition and gas fueled positive ignition engines of vehicles GB 17691-2018 Limits and measurement methods for emissions from diesel fueled heavy-duty vehicles (CHINA VI) GB/T 17692 Measurement methods of net power for automotive engines GB 18352 Limits and measurement methods for emissions of pollutants from light-duty vehicles GB 19147 Automobile diesel fuels HJ 437 Technical specification for on-board diagnostic (OBD) system of compression ignition and gas fueled positive ignition engines of vehicles HJ 845-2017 Measurement methods and technical requirements for emission pollutants from diesel vehicles (remote sensing method)3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 Net power The net engine power as measured according to GB/T 17692. 3.2 Compression ignition engine An engine that operates on a compression ignition principle (e.g., a diesel engine). 3.3 Opacity meter The instrument as specified in Appendix C for continuous measurement of the optical absorption coefficient of automobile emissions. 3.4 Maximum rated engine speed It refers to the maximum full-load speed as allowed by the diesel engine.4 Inspection items4.1 Vehicle environmental inspection items are as shown in Table 1. 4.2 The entry inspection of the new produced imported vehicles shall be carried out in accordance with the inspection items as specified in Table 1.It shall also comply with other standards and regulations.5 Inspection process and requirements5.1 Inspection for new produced vehicle at end of production line 5.1.1 The production enterprise shall ensure that the pollutant control devices of all vehicles at end of production line are consistent with the of the vehicle- accompanied list. 5.1.5 The imported vehicles shall, before entry, be subjected to the inspection for new produced vehicles at end of production line. Meanwhile it shall report the inspection information to the competent department of ecological environment. 5.2 The inspection items for registration shall be carried out in accordance with the provisions of Table 1.The information shall be submitted in accordance with the provisions of Appendix G. The inspection process is as shown in Figure 2. 5.3 The inspection items of the in-use vehicle shall be carried out in accordance with the provisions of Table 1.Before the inspection, it shall connect the environmental network for verification, to check whether the vehicle has any environmental violation records. According to the provisions of Appendix G, submit the information. The inspection process is as shown in Figure 3.6 Appearance inspection6.1 Offline of new produced vehicles 6.2 Registration 6.2.2 Check whether the vehicle's pollution control device and the engine are consistent with the vehicle environmental identification document. 6.3 In-use vehicle 6.3.1 Check whether the condition of the vehicle under inspection is normal. If there is any abnormality, it shall request the owner to carry out maintenance. 6.3.2 Check whether the vehicle has burning engine oil or serious black smoke. If it is, it shall request the owner to carry out maintenance. 6.3.6 During the inspection of the change registration and transfer registration, it shall check whether the pollution control device is in good condition.7 Inspection of on-board diagnostic system (OBD)7.1 Offline of new produced vehicles The automobile manufacturer shall check the OBD system's communication of each vehicle, to confirm that the OBD system's communication is normal before exit-factory. 7.3 In-use vehicle8 Testing of emission pollutants8.1 Emission limits and measurement methods 8.1.1 Offline of new produced vehicles Follow the requirements to carry out sampling test of the vehicle's emission at the end of the product line. The emission result shall be less than the emission limit as specified in 8.1.2.Production enterprises may also use other methods for emission testing, but shall demonstrate their equivalence. 8.1.2 Registration and in-use vehicles Hybrid electric vehicles which has manual selection of driving mode shall be switched to the maximum fuel consumption mode for testing. In the absence of maximum fuel consumption mode, it shall be switched to the hybrid mode for testing. In the course of testing, if the engine is automatically turned off and automatically switches to the pure electric mode, there is no need to suspend the test and it can be carried out until the end of the test. 8.2 Determination of results 8.2.1 If any of the pollutant testing results do not meet the limit requirements, it is determined that the emission test is unqualified. 8.2.2 If the vehicle's emissions have obvious visible smoke or the blackness values exceeding Ringelmann level 1, it is determined that the emission test is unqualified. 8.2.2 [translator's note. should be 8.2.3] In the power sweep course of the lugdown method, the measurement result of the wheel power after correction shall be not less than 40% of the rated power of engine as specified by the manufacturer. Otherwise, it is determined that the testing result is unqualified. 8.2.5 [translator's note. should be 8.2.6] It is forbidden to use a failure strategy that reduces the effectiveness of the emission control device. All tampering for pollution control devices will lead to unqualified emission test.9 Requirements for data recording, storage, submission9.1 It shall use the computer system to automatically detect, record, transmit, save, judge the OBD inspection (if applicable) and emission pollutant testing information. 9.2 The inspection agency shall transmit inspection information to the competent department of ecological environment in real time. 9.3 The competent department of ecological environment at a lower level shall, in accordance with the provisions of Appendix F and Appendix G, report the inspection information to the competent department of ecological environment at a higher level in real time or at specified period. 9.4 The retention period of paper archives of inspection reports shall be not less than 6 years. The retention period of electronic archives shall be not less than 10 years. 9.7 The inspection information for the imported vehicles at end of production line shall be submitted to the competent department of ecological environment of the State Council before the entry.10 Emission monitoring of in-use vehicles10.1 From the date of implementation of this standard, the emission inspection of the in-use vehicles (including the regular emission inspection and supervision test) shall be in compliance with the requirements of this standard. 10.2 The competent department of ecological environment at or above the county level may conduct supervision test of the in-use vehicles on the centralized parking places, maintenance sites, actual roads of motor vehicles. The sampling test contents may include emission detection, OBD inspection, inspection of pollution control device, verification of vehicle-accompanied list. 10.3 In the course of registration inspection, it shall carry out appearance inspection, OBD inspection, emission pollutant testing. 10.4 For vehicles that are equipped with remote emission management on- board terminals and report relevant emission data to the competent authority of ecological environment in real time as required, the provincial competent authority of ecological environment may exempt the online environmental inspection according to the data submission conditions.11 Implementation of standards11.1 This standard has been implemented since May 1, 2019.The regular environmental inspection of vehicles as carried out nationwide shall be conducted by the lugdown method as specified in this standard. For vehicles that cannot be tested by the lugdown method, it may use the free acceleration method as specified in this standard. 11.2 From the date of implementation of this standard, the existing relevant local emission inspection standards shall be abolished. 11.3 For the implementation of this standard, the competent department of ecological environment under the State Council is responsible for its supervision. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB 3847-2018 be delivered?Answer: The full copy PDF of English version of GB 3847-2018 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB 3847-2018_English with my colleagues?Answer: Yes. 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