本儀器是一種采用量塊或標準零件借以高精度的比較方式的立式精密長度計量儀器。主要用于150mm以下塊規,亦可用作高精密度的長度和外徑的精密測量,是各級計量室的基本長度計量儀器之一。 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立式接觸式干涉儀技術參數:
被測件長度 Max. measured length
150 mm
工作臺行程 Lifting range of worktable
5 mm
測桿移動范圍
0.5mm
分劃板刻度范圍
±50格
直接測量范圍 Measuring range
5-20μm
分度值調整范圍 Adjusting range of grad
0.05-0.2 μm
推薦使用分度值Recommended grad
0.1 μm
測量壓力 Measuring force
(1.5±0.1) N
儀器示值穩定性 Indication reliability
0.02 μm
儀器誤差 Indication error
數字顯示 Digital display
測量誤差 Max.measurement error
n 是格數, i是格值,λ是濾光片中心波長,△λ是濾光片波長誤差 n is number of divisions, i is division value △λ is error of wavelength