Internal External Calipers 195mm Long Fixed Joint Metal Precision Measurement 2 Pieces

Internal External Calipers 195mm Long Fixed Joint Metal Precision Measurement (2 Pieces): Industrial & Scientific. Internal External Calipers 195mm Long Fixed Joint Metal Precision Measurement (2 Pieces): Industrial & Scientific. 2 pcs silver tone metal inside outside calipers, great for measuring the external and internal size of an object 。 Outside calipers measure thicknesses and outside diameters of objects 。 Inside calipers measure hole diameters and distances between surfaces 。 Product Name: Internal and external card regulations 。 Material: Steel; 。 Size: 195mm; 。 Color: Silver; 。 Packing List:2x Inside and outside card calipers 。 。 。 Instructions: 。 1. The caliper is dimensioned on the steel ruler; the measuring surface of one of the outer calipers is against the end face of the steel ruler, and the measuring surface of the other caliper is aligned with the dimension line taken, and the connection of the two measuring faces is Parallel to the steel ruler. When using the inner caliper, the size is the same as that of the outer caliper, except that the end face of the steel ruler must be placed against an auxiliary plane, and one foot of the inner caliper also abuts the plane. ; 。 2. Caliper measurement method; when measuring the center distance of the circle with the external caliper, the connection line of the measuring surface of the two tongs should be perpendicular to the axis of the circle, without external force, slide the outer circle of the circle by the external caliper, then the external caliper opening The size is the diameter of the cylinder. When measuring the diameter of the hole with the inner caliper, make the line connecting the measuring surfaces of the two tongs perpendicular and intersect the axis of the inner hole. When measuring, one caliper rests on the wall of the hole, and the other nip is slightly inside the hole. The test is gradually outwardly and oscillated along the circumferential direction of the wall of the hole. When the distance of the swing is the smallest, the size of the opening of the inner caliper is the diameter of the inner hole. 。 。 Note: Tap the inside and outside of the caliper to adjust the size of the opening, never hit the caliper tip, so as not to affect the accuracy of the caliper. 。 。 。

Internal External Calipers 195mm Long Fixed Joint Metal Precision Measurement 2 Pieces
Internal External Calipers 195mm Long Fixed Joint Metal Precision Measurement 2 Pieces
Internal External Calipers 195mm Long Fixed Joint Metal Precision Measurement 2 Pieces

Internal External Calipers 195mm Long Fixed Joint Metal Precision Measurement 2 Pieces

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