本仪器是一种采用量块或标准零件借以高精度的比较方式的立式精密长度计量仪器。主要用于150mm以下块规,亦可用作高精密度的长度和外径的精密测量,是各级计量室的基本长度计量仪器之一。 JDS-1 Interferometer is applicable for measurement of 3-4 grade gauge blocks or precision sizes up to 150 mm by high-precision comparison with a higher grade of gauge block or a standard reference component. It is one of the basic length-metrological instruments. and cylinders. JDS-1立式接触式干涉仪技术参数:
被测件长度 Max. measured length
150 mm
工作台行程 Lifting range of worktable
5 mm
测杆移动范围
0.5mm
分划板刻度范围
±50格
直接测量范围 Measuring range
5-20μm
分度值调整范围 Adjusting range of grad
0.05-0.2 μm
推荐使用分度值Recommended grad
0.1 μm
测量压力 Measuring force
(1.5±0.1) N
仪器示值稳定性 Indication reliability
0.02 μm
仪器误差 Indication error
数字显示 Digital display
测量误差 Max.measurement error
n 是格数, i是格值,λ是滤光片中心波长,△λ是滤光片波长误差 n is number of divisions, i is division value △λ is error of wavelength