测长仪|JDY-2

   本仪器主要用于各种圆柱形、球形、平行平面等精密零件的外形，内孔尺寸的直接测量和比较测量，亦可进行内外螺纹中径等特殊测量，是各级计量室中的基本长度计量仪器之一。

It is one of the basic length-measuring instruments for metrological departments. It is applicable for both direct and comparative measurements of outer and inner dimensions of workpieces such as parallel planes, spheres, cylinders and bores. By using various accessories, it can be used for special measurements, such as pitches of male threads and female threads.

 
测长仪|JDY-2技术参数：