Coordinate measuring device`s e.g. sensor, measurement inaccuracy testing body, has shaped units arranged on flat side, where units are provided in two different types and in two parallel rows
摘要
<p>The testing body has shaped units (10-12) arranged on a flat side, where the units are provided in two different types and in two parallel rows. The size of the shaped units of one type differs from the size of the shaped units of other types to provide optical scanning with different enlargements. A fluorescent coating and a reflective coating are provided at the respective sides of the testing body.</p>
