Standard Number: HJ 1239.1-2021(HJ1239.1-2021)
Chinese:重型车排放远程监控技术规范 第１部分 车载终端
English:Technical specification for remote monitoring of heavy-duty vehicle emissions Part 1 Vehicle terminal
Effective Date:2022-07-01
Standard Applicability:This standard specifies the technical requirements for the vehicle-mounted terminal of the heavy-duty vehicle emission remote monitoring system, including functions, performance requirements, test methods and so on. This standard applies to the installation of heavy-duty vehicles for the collection, storage and transmission of vehicle OBD information and engine emissions data equipment and devices.
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