Letâs have a look on the wide range of Combined Gas Analyzer and Smoke Meter which is widely used for measuring the concentration or quality of a specific gaseous compound within a mixture of multiple gases. This device is also used for detecting the amount of light blocked in smoke emitted by diesel engines. Right now, Combined Gas Analyzer and Smoke Meter is available in few varieties such as Combined PUC Analyzer For Petrol-Diesel -CNG-LPG Vehicle, Smoke Meter For Diesel Vehicles, and Gas Analyzer For Petrol-LPG-CNG Vehicles. This is easy to install as well as simple to operate. This offered device requires very low maintenance and replacement costs.