Patent ID: 7593233

Claim:
A measuring device, comprising a device housing and a plug-in measuring-device module, the device housing comprising a front side, a rear side, and an interior, wherein the front side of the device housing comprises an integrated display device affixed thereon, and the interior of the device housing is accessible from openings in the rear side of the device housing sized and configured to accept one or more plug-in measuring-device modules and an aperture, adjacent the integrated display device on the front side of the device housing, sized and configured to pass a first electrical connection formed on the plug-in measuring-device module; wherein the plug-in measuring-device module is inserted into the device housing from the rear side and connected by a plug-and-socket panel to the integrated display device, the plug-in measuring-device module comprising a body, a front side comprising a first electrical connection projecting from the body, and a rear side comprising a second electrical connection, wherein the first electrical connection and the second electrical connection are data input/output connections; and wherein the first electrical connection on the plug-in measuring-device module projects through the aperture on the front side of the device housing to provide a measuring device with data input/output connections to the plug-in measuring-device module accessible from the front side of the device housing and the rear side of the device housing.