Insitu probe type IR based direct duct mounted online CO gas analyser for monitoring the efficiency of boiler/furnace/kiln as well as for ESP protection. Eliminates pitfall of sampling & conditioning of hot & dirty gases. Suitable for gas temperature upto 400 deg.c. No limit for dust content in the flue gas. Field mounted, no AC room/AC Panel is required. Consumes only 5% of the power as compare to any hot extractive gas analyser.