NEO Monitors LaserGas™ III SP CO (3rd generation) is specially designed for operation in hazardous areas and it provides real time in-situ CO measurements for virtually any type of combustion control. The configuration is transmitter/receiver units for cross-stack installation. An external junction box simplifies installation and maintenance. The operation principal is based on the well proven Tunable Laser Absorption Spectroscopy (TLAS) implemented using a fast scanning absorption technique with fully digital signal processing. Years of experience allowed us to carefully design this highly compact CO analyzer which offers exceptional performance in harsh environments, is truly robust and provides immediate benefits in terms of operational ease and low cost of ownership.