The 77735 Fixed Slit is the most economical choice if you only need a few slit sizes. This 5000 μm width by 20 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.

77735固定狭缝是最经济的选择,如果你只需要几个狭缝大小。这5000μm由20毫米精度狭缝宽度是固定的加工幻灯片。你将需要77294固定狭缝持有人举行狭缝和配对它到单色器。