Check the listing for details. COLUMBUS INSTRUMENTS CO2 GAS ANALYZER CO2 SENSOR PPS 115VAC 60Hz. Condition: Used. Listed at 169.95 USD. COLUMBUS INSTRUMENTS CO2 GAS ANALYZER CO2 SENSOR PPS 115VAC 60Hz. Good condition as the pictures show. Comes with what’s shown in the pictures. Free shipping. The Columbus Instruments CO2 Gas Analyzer CO2 Sensor PPS 115VAC 60Hz is a high-quality device designed for accurate measurement of CO2 levels in various industrial and commercial settings. With the trusted brand of Columbus Instruments, this gas analyzer ensures reliable performance and data accuracy. The sensor operates on 115VAC 60Hz power, making it suitable for use in a wide range of applications requiring CO2 monitoring. Ideal for businesses looking to maintain optimal air quality and regulations relating to gas emissions.