This infrared carbon dioxide analyzer was developed to measure the CO% contained in vehicle exhaust. Horiba Ltd. is one of the most successful companies to make analyzers specializing in air-pollution and vehicle-exhaust monitoring. Their instruments are used in Japan, the United States, and around the world. This bench-top model would include a sample probe to be placed in the exhaust tailpipe of the vehicle.
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Bakelite napkin ring
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