Jetto is an automatic gas charging machine able to perfor vacuum cycles and leak test; moreover it charges various refrigerant gases, such as: R134a, R22, R401, R402, R404, R407, and R410. This machine has been developed to satisfy the needs of domestic and commercial refrigeration and conditioning. When needed, it is possible to mount on the basis version a second filling channel, controlled by an additional card, and, thanks to a special support it is possible to lodge the refrigerant on board.[...]