Meter reading device, attachment member, and remote meter reading system

A meter reading device that reads a measurement value from an existing meter device having a display surface, which measures usage of an energy supply medium such as water, gas, or electricity and displays the measurement value on the display surface, the meter reading device comprising:

• a camera configured to pick up an image of an image pickup range including the display surface;
• a casing configured to accommodate the camera;
• an opening formed in a rear surface of the casing;
• a mirror provided inside the casing,
• the mirror being arranged so as to be opposed to the display surface at a given angle, and being configured to reflect light that has been reflected by the display surface and has passed through the opening,
• the camera being configured to receive the light reflected by the mirror to pick up the image of the image pickup range;
• a recognition unit configured to recognize the measurement value measured by the meter device from image data obtained through image pickup by the camera and generate numerical data indicating the recognized measurement value;
• and
• a storage device configured to store the image data or the numerical data.