JDY-2 万能测长仪
用途 Applications:
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，是各级计量室中必备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.
主要技术参数 Main Specifications ：
使用范围 Measuring range |
外尺寸测量 Outer measurement 0-500 mm |
内尺寸测量 Inner measurement 1-200 mm |
|
外螺纹测量 Male thread ≤ 180 mm |
|
内螺纹测量 Female thread 16-140 mm |
|
直接测量范围 Direct |
0-100mm |
读数显微镜分度值 Division |
0.001mm |
仪器误差 Instrument error |
外尺寸测量 Outer ±(1+L/200)μm |
内尺寸测量 Inner ±(1.5+L/200)μm |
|
示值稳定性 Instability |
≤ 0.4μm |
仪器体积 Dimensions |
95x39x49 cm |
仪器重量 Weight |
85 kg |
标准配件 Standard attachments |
内测装置 Internal measurement device 电眼装置 Magic eye device 标准环规 Standard ring gauge 外螺纹测量装置 Male thread measuring device 内螺纹测量装置 Female thread measuring device 各种测头 测帽 Variety of measuring heads and contact tips |