Abstract As a part of the vehicle exhaust testing instrument, the accuracy of the calibration results of the filter is related to the reliability of the vehicle testing data. The current verification regulation of transmission type smokemeter only puts forward requirements on its measurement performance, but does not put forward clear requirements on its traceability method and use standard. This paper puts forward improvement suggestions on the calibration of the filter of smokemeter.
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Received: 14 July 2021
Published: 17 January 2022
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