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SAE J1667 (FEB2018)

Current Revision

Snap-Acceleration Smoke Test Procedure for Heavy-Duty Diesel Powered Vehicles

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This SAE Recommended Practice applies to vehicle exhaust smoke measurements made using the Snap-Acceleration test procedure. Because this is a non-moving vehicle test, this test can be conducted along the roadside, in a truck depot, a vehicle repair facility, or other test facilities. The test is intended to be used on heavy-duty trucks and buses powered by diesel engines. It is designed to be used in conjunction with smokemeters using the light extinction principle of smoke measurement. This procedure describes how the snap-acceleration test is to be performed. It also gives specifications for the smokemeter and other test instrumentation and describes the algorithm for the measurement and quantification of the exhaust smoke produced during the test. Included are discussions of factors which influence snap-acceleration test results and methods to correct for these conditions. Unless otherwise noted, these correction methodologies are to be considered an integral part of the snap-acceleration test procedure.

SDO SAE: SAE International
Document Number J1667
Publication Date Feb. 15, 2018
Language en - English
Page Count 42
Revision Level 201802
Supercedes
Committee
Publish Date Document Id Type View
Feb. 15, 2018 J1667_201802 Revision
Feb. 1, 1996 J1667_199602 Revision