GD1 is the conditioning system of the gases taken from the emissions specifically designed to work with combustion analyzers. GD1 has a high-head pump capable of extracting the sample even in chimneys with high depressions. The air conditioning system has been designed and built to meet the most stringent standard in the field of gas temperatures (EN15058: 2017). GD1 is also equipped with systems of advanced solutions designed to protect the analyzers.