Alignment device for shielding effectiveness measuring instrument

An alignment device comprising:

• a first insert configured to be inserted into a first alignment hole, instead of a screw that penetrates a sample and is screwed into the first alignment hole of a first measuring instrument and a second alignment hole of a second measuring instrument, when the first measuring instrument and the second measuring instrument aligned with each other with the sample in between are provided;
• a second insert configured to be inserted into the second alignment hole, instead of the screw;
• a first adjuster connected to a second side of the first insert when a first side of the first insert is inserted into the first alignment hole;
• and
• a connector extending along a path spaced apart from the first measuring instrument and the second measuring instrument,
• wherein a first end of the connector is connected to the first adjuster whereas a second end of the connector is connected to the second insert, and
• the first adjuster moves the first insert toward the first alignment hole or moves the first insert away from the first alignment hole.