/ 189 DEVICE FOR MEASURING THE EXHAUST MASS FLOW RATE OF INTERNAL COMBUSTION ENGINES AVL M.O.V.E EXHAUST FLOW METER (EFM) The AVL M.O.V.E EFM is a cost effective, accurate and roust ehaust mass ow measuring device with a special focus on the In-Use/ Real riving Emissions RE testing applications. The AVL EFM is fully integrated into the comprehensive AVL M.O.V.E in-vehicle measurement systems and can also e used as a standalone device e. g. on chassis dynos or engine test cells. Different interfaces allow for a eile integration into automation and data acuisition systems. MEASUREMENT PRINCIPLE The AVL M.O.V.E EFM is ased on the proven and roust differential pressure measurement principle. It consists of the EFM tue which is installed on the tail-pipe of the vehicle and the EFM control box which includes the electronics and the pressure transducers. The EFM tue and the EFM control o is separated for the most eile installation. The EFM o is temperature conditioned to achieve high accuracy at changing ambient conditions. The usage of high-speed pressure transducers ensure accurate measurements at dynamic ow conditions in the ehaust duct. The EFM Control Bo is water and dust protected IP Protection Class 65 for the most reliale operation under harsh amient conditions. APPLICATION Due to its robust design, high measurement accuracy and eiility in installation and operation, the AVL M.O.V. E EFM is a perfect solution for the In-Use/ RE testing application or use on engine test cell or chassis dyno. It can be eily used either in comination with AVL M.O.V.E or as a standalone device. BENEFITS AT A GLANCE Wide range of supported applications From small passenger car up to heavy- duty truck engine, operation either in combination with AVL M.O.V.E or standalone e. g. on test cell AVL M.O.V.E EFM Control Box with EFM Tube and Extensions Benchmark result for a 4-cylinder diesel engine • High measurement accuracy even at changing ambient and highly dynamic conditions in the exhaust Fulfi lls all relevant legal requirements Fleiility in installation to allow for the most easy and safe mounting uick and easy integration into AVL M.O.V.E and other automation and data acuisition systems
Solutionskatalog_2017_E
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