optimeter

The optimeter is widely used to precisely measure external size ofworkpiece by comparison with a gauge block or standard part.

本仪器是一种采用量或标件与试件相较的方式测量物体外形尺的仪器。

The optimeter is widely used to precisely measure external size of workpiece by comparison with a gauge block or standard part.

本仪器是一般是用标器（如量）较法测量工件的尺。