Spectrometer works in Soft X-ray and Extreme Ultraviolet Spectral Range, 10 to 1000eV
1888PressRelease – The McPherson Model 248/310 spectrometer provides user-friendly and fast spectral acquisition from a wide range of extreme vacuum ultraviolet (VUV) and soft x-ray (SXR) wavelengths.
Source: http://www.1888pressrelease.com/spectrometer/ultraviolet/spectrometer-works-in-soft-x-ray-and-extreme-ultraviolet-spe-pr-453647.html