The 77731 Fixed Slit is the most economical choice if you only need a few slit sizes. This 25 μm width by 10 mm precision slit is fixed on a machined slide. You will need the 77294 Fixed Slit Holder to hold the slit and mate it to the monochromator.


77731固定狭缝是最经济的选择，如果你只需要几个狭缝大小。这25μm宽10毫米精密机加工幻灯片缝是固定的。你将需要77294固定狭缝持有人举行狭缝和配对它到单色器