Technical Data:
Series: 311
Product type: High-Precision Square
Dimension W x L x T: 160 x 210 x 25 mm
Mass: 5.0 kg
Reference surfaces: Four precision-lapped surfaces
Straightness and perpendicularity: Better than 1 um/300 mm

Application:
Inspection of travel straightness and axial perpendicularity of moving elements on machine tools, CMMs, form-measuring machines and semiconductor-related equipment.