E-42EMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.• The High Precision Square is a gage used for inspecting the travel straightness and axial perpendicularity of moving elements on equipment such as machine tools, CMMs, form measuring machines and semiconductor-related equipment.• Four precision-lapped reference surfaces are provided.• Better than 1μm/300mm straightness and perpendicularity of each (four) reference surface. In addition, front and back faces are accurate to better than 5μm/300mm.High Precision SquareSERIES 311311-111311-112311-113SPECIFICATIONSMetricOrder No.Dimension (W x L x T)Mass311-11190 x 110 x 25mm1.5kg311-112160 x 210 x 25mm5.0kg311-113260 x 310 x 30mm14.0kg* 311-113 is supplied with a removable handle.An inspection certicate is supplied as standard. Refer to page X for details.Technical DataReference surface Perpendicularity tolerance: 1μm Straightness tolerance: 1μmFront/back faces Perpendicularity tolerance: 5μm Straightness tolerance: 5μmDedicated wooden case is provided.


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