20140138524 | ENERGY OUTPUT MEASURING DEVICE FOR INFRARED HEATING DEVICE - An energy output measuring device including a main body having a light reflecting exterior and a window portion formed in the main body and produced from infrared-reflecting glass. At least one visible light sensor is disposed adjacent the window. The energy output measuring device is configured to pass through a heating device. An energy output of the heating device is determined from measurements taken by the heating device. | 05-22-2014 |