Check the listing for details. TPI 707 Carbon Monoxide Analyzer. Condition: New, Made in United States. Listed at 449.00 USD. The TPI 707 Carbon Monoxide Analyzer is a high-quality gas and combustion analyzer manufactured by TPI in the United States. It is designed for precise measurement and detection of carbon monoxide levels in various industrial settings. With its advanced technology and reliable brand reputation, the TPI 707 Carbon Monoxide Analyzer provides accurate and efficient testing for ensuring safety and compliance in gas and combustion processes.