To provide a data display device capable of displaying measurement data obtained from measuring apparatuses in an easy-to-view manner regardless of the number of the measuring apparatuses corresponding to the kind and number of the measuring apparatuses.

The data display device 1 includes: a connection device management part 101 for acquiring the kind and number of the connected measuring apparatuses 2; a data management part 103 for receiving measurement general information from the measuring apparatus 2; a layout determination part 102 for determining image generation information including graph generation information indicating the presentation form of the measurement general information of the measuring apparatus 2 corresponding to the kind of the measuring apparatus 2 and display layout information indicating the display layout of a data display image corresponding to the number of the measuring apparatus 2; and an image generation part 106 for generating the data display image using image generation information determined by the layout determination part 102 and the measurement general information received by the data management part 103 and making an image display part 107 display the data display image.