PGR100 Calibration Grid, 100mm x 100mm

For checking two-dimensional instruments for straightness and accuracy. The Patterns are produced in vacuum deposited chrome on glass.

Grid is 100mm x 100mm of 10mm squares. Central 20mm x 20mm area is further subdivided into 1mm squares.

Line Thickness
0.008mm

Dimensions
120mm x 120mm x 6mm thick

Linear Straightness
Within 0.002mm

Angular Accuracy
Within 5 seconds