Check the listing for details. TPI 707 Carbon Monoxide Analyzer. Condition: Used, Made in United States. Listed at 149.99 USD. The TPI 707 Carbon Monoxide Analyzer is a high-quality gas and combustion analyzer manufactured in the United States by TPI. This reliable and accurate tool is designed to measure carbon monoxide levels in various industrial and commercial settings, providing crucial data for inspection and regulatory compliance. With its advanced technology and trusted brand, the TPI 707 Carbon Monoxide Analyzer ensures precise analysis and consistent performance for detecting and controlling carbon monoxide emissions.