Recent Developments in On Line Continuous Gas Analyzers Used for Low Emission Vehicle Testing

Paper #:
  • 940828

Published:
  • 1994-03-01
Citation:
Aldridge, R. and Roddan, A., "Recent Developments in On Line Continuous Gas Analyzers Used for Low Emission Vehicle Testing," SAE Technical Paper 940828, 1994, https://doi.org/10.4271/940828.
Pages:
9
Abstract:
Recent changes in the Federal Clean Air Act have spawned the concept of the Low Emissions Vehicle (LEV). In turn, higher precision measurements on lower levels of exhaust emissions, brought on by these new vehicles, has changed requirements placed on modern emissions analyzers. By changing the way analyzers are viewed in the system and through the use of modern micro computers, the integrity of information put into the data base is greatly improved in the next generation of emissions analyzers.This paper discusses design issues addressed during the development of modern gas analyzers used for the measurement of exhaust emissions.
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