Ultima IV Multipurpose X-Ray Diffractometer XRD

The Ultima IV represents the state-of-the-art in multipurpose X-ray diffraction (XRD) systems. Incorporating Rigaku’s patented cross beam optics (CBO) technology for permanently mounted, permanently aligned and user-selectable parallel and focusing geometries, the Ultima IV X-ray diffractometer can perform many different measurements…fast.

Engineered for Performance

With a multipurpose x-ray diffractometer, performance is measured by not only how fast you perform an experiment but also how fast you can switch between different types of experiments. Individual experiments are optimized with accessories like the D/teX Ultra high-speed position sensitive detector system, but the speed between experiments is radically improved with the combination of the automated alignment and CBO.

Designed for Flexibility

The Ultima IV is the only XRD system on the market today that incorporates fully automatic alignment. When coupled with CBO and the in-plane arm, the automatic alignment capability makes the Ultima IV X-ray diffractometer the most flexible system available for multipurpose applications.

Functionality Redefined

In the Ultima IV XRD system, CBO technology eliminates time spent switching geometries, enables everyday users to run both sets of experiments without the need to reconfigure the system, and reduces wear and possible optic damage associated with the recurrent switching process. CBO and automatic alignment combine for the ultimate in functionality for: micro-crystalline diffraction, thin-film diffraction, small angle scattering, and in-plane scattering.


  • Full automated alignment under computer control.
  • Optional in-plane diffraction arm for in-plane measurements without reconfiguration.
  • Focusing and parallel beam geometries without reconfiguration.
  • SAXS capabilities.
  • Optional D/teX Ultra high-speed, position-sensitive detector system.


X-ray generatorMaximum rated output3 kW
Rated tube voltage20 - 60 kV
Rated tube current2 - 60 mA
TargetCu (others: optional)
Focus size0.4 x 12 mm (others: optional)
GoniometerScanning modeθs/θd coupled or θs, θd independent
Goniometer radius285 mm
2θ measuring range-3 to 162° (maximum)
Minimum step size0.0001°
OpticsDivergence slitFixed or automatic variable
Scattering slitFixed or automatic variable
Receiving slitFixed or automatic variable
Optics alignmentAutomatic alignment of tube height, goniometer, optics and detector
MonochromatorDual position graphite diffracted beam monochromator for Cu (others: optional)
DetectorDetectorScintillation counter (others: optional)
DimensionsH x W x D1600 x 1100 x 800 mm
Sample height1050 mm

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