When selecting gratings, you must choose a wavelength range with a width equal to the Spectral Range entry in the Spectrometer Grating Selection Chart.
When selecting gratings, you must choose a wavelength range with a width equal to the Spectral Range entry in the Spectrometer Grating Selection Chart.
当选择光栅是，您必须选择与光谱仪光栅选择图表中的光谱覆盖范围条目里宽度相等的波长范围。