| 摘要 |
A digital displacement measuring instrument detects a displacement of a spindle by an encoder and then displays the displacement on a digital display unit. With an imaginary base line centered along an axial direction of an outer circumference of a sleeve, a millimeter graduation for displaying the displacement of the spindle in millimeters is provided on one side, and the inch graduation for displaying the displacement of the spindle is provided on the other side.
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