Compliance with various limiting values must be verified in the WLTP certification process. One such limiting value is the particulate mass in the exhaust gases that is retained in a filter during an emissions test. An automated, gravimetric measuring system is used to determine the retained particulate mass, so as to guarantee maximum precision and reproduceability.

Mercedes-Benz Cars - Technology and Emission Strategy - Daimler Global Media Site - Compliance with various limiting values must be verified in the WLTP certification process. One such limiting value is the particulate mass in the exhaust gases that is retained in a filter during an emissions test. An automated, gravimetric measuring system is used to determine the retained particulate mass, so as to guarantee maximum precision and reproduceability.