The Galaxy GX2 allows you to calibrate and bump test your Altair Gas Detectors simply and efficiently. These systems work for Altair 4/4X, Altair 5/5X, Altair Pro. These configurations support 4 valves allowing calibration up to 4 cylinders. The Galaxy GX2 provides high performance with the option to be used as part of a fleet of calibration systems. Features and Benefits Colour touch screen display provides an easy to use and intuitive navigation system that allows easy usage of the system. MSA link software transfers records to and from PC for data logging Note The Smart Electronic cylinder holder will be required for use with these systems.