The WG ASTMF792-08 Step Wedge Test Object Case is used to calibrate and evaluate the performance levels of X-ray screening systems in nine distinct test areas using multiple x-ray test pieces.  

The Step Wedge Case has been designed to meet the enhanced multi-test  FAA, DHS, DOT,  TSA, & Transport Canada standards for testing sophisticated x-ray systems.

It is supplied in a rugged custom-designed, injection-moulded case with protective foam block that keeps the Step Wedge in place regardless of the case position.

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