The CAI 4-20mA ZRE Gas Analyzer ZRECBVZ1-NYZEZ-EZEV2DE-YDYAA is a device designed to measure the concentration of CO2 in a gas mixture. Manufactured by CAI, it provides accurate and reliable readings for industrial and commercial applications. This gas analyzer is ideal for monitoring and controlling the quality of air in various settings such as laboratories, factories, and clean rooms. Its compact size and ease of use make it a practical tool for ensuring optimal gas composition levels.