HORIBA Europe GmbH

Automotive Development and Progress in HORIBA`s Emission Measurement Technologies

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Courtesy of HORIBA Europe GmbH

The progress in HORIBA's emissions measurement systems has been closely connected to trends in vehicle development. Innovations in automotive technology, stemming from emission regulations and implementation of computer control systems, have especially had great influence on analytical technologies. With the advent of emission regulations, HORIBA developed its first automotive emission analyzer, MEXA-1 and constant volume sampler (CVS), in 1964. Ever since, HORIBA has constantly enhanced its devices to accommodate the most recent requirements, such as increased precision to match stricter emission regulations and advanced automation for improved efficiency of increasingly complex testing. The current model, MEXA-7000 Version 3, built on over forty years of emission analyzer development enables emission analysis of the latest Super Ultra Low Emission Vehicles (SULEV).

Measurements made on automobiles are wide-ranging, from physical properties such as mass, size and torque, to chemical properties such as emission gas composition and sensory evaluations such as ride quality, noise and vibrations. Ever since HORIBA expanded its core technology applying infrared absorption to emission measurement in 1964, the manufacture and sales of automotive measurement systems have become one of our main business domains. Needless to say, such progress in automotive measurement systems has been closely connected to trends in vehicle development. Improvements to engines and catalysts following the strengthening of emission regulations, as well as the increasing complexity of development testing with the implementation of computer control systems have played an especially strong role. This report traces back the history of HORIBA's MEXA series of products related to emissions measurement and their correlations with the automotive industry.

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