1970-02-01

A New Exhaust Emissions Analyzer for Automotive Service Applications 700100

An exhaust emissions analyzer, developed for use in the automotive dealership service environment, presents an accurate determination of the carbon monoxide concentration in the exhaust of any engine at a steady-state test condition. It also presents an indication of the unburned hydrocarbon concentration relative to “normal” for any reciprocating spark ignition emission controlled engine at a steady-state curb idle test condition. Its utility as a field service tool is thus twofold: used as a diagnostic device it enables a technician to decide if an engine has a carburetion problem or a malfunction in the combustion process, and used as an adjustment device it aids in setting the proper carburetor idle mixture adjustment on emission controlled automotive engines.

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