For checking two-dimensional instruments for straightness and accuracy. The patterns are produced in vacuum deposited chrome on glass. Lines are every 10mm with a central 20mm subdivided in 1mm rulings.
Specifications
| |
PGR 100 |
| Overall Divided Area |
100 x 100mm |
| Glass Size |
120 x 120mm |
| Glass Thickness |
6mm |
| Line Width |
0.008mm |
| Linear Straightness |
0.002mm |
| Angular Accuracy |
within 5 seconds |