Unit 2 Gable Business Park, 10 Derrick Drive, Somerset West, 7130
XT H 225 ST thumb
XT H 225 ST thumb
XT H 225 ST thumb

XT H 225 ST Industrial CT Scanning

The XT H 225 ST is a Computed Tomography (CT) system ideally suited to a wide range of materials and sample sizes, especially those that are too large or heavy for other systems in the range. The system has three interchangeable sources; the 225 kV reflection target, 180 kV transmission target and the optional 225 kV rotating target. Combined with the wide range of flat panel detectors to choose from, the ST system provides a flexible tool for quality laboratories, production facilities and research departments.

Key benefits

XT H 225 ST Key features

Superior accuracy and performance through proprietary 225kV microfocus X-ray source
The default microfocus source is equipped with a reflection target, offering a 3 micron spot size. With the optional transmission target, you obtain an even smaller spot size and higher magnification capability. Regardless of the target of choice, the XT H 225 system uses an open-tube X-ray source that guarantees a lower cost-of-ownership

Stunning images from internal structures
A small spot size and a high-resolution flat panel create sharp images.  Adapt resolution to your needs: full part in coarse resolution and high resolution in a desired region of interest.

High performance processing
The core of the processing power is situated in the XT software suite that builds on Nikon Metrology’s track record of improving sample throughput and simplifying operation to take the systems out of the hands of experts and into the hands of users. XT Software also brings the fastest reconstruction of CT data currently available on a single PC. This PC is built from standard components to aid serviceability. The sample throughput can be improved further by the use of additional PCs. The complete system is also readyfor any market leading CT visualisation and processing software, such as VolumeGraphics.

Easy operation and automation
Users are operational with the system within a few days days of training. A CT wizard guides operators through the data acquisition process.
Customisable macros automate the measurement workflow, and tight integration with industry-standard post-processing applications streamline the decision making process.

Safety first
Full protective enclosure – compliant to CE and DIN 54113 radiation safety standards – requires no special badges or protective clothing. There is continuous fail-to-safe monitoring during system operation. Radiation shielding is to better than 1µSv/hour external, and dual fail-safe switches/relays ensure safe operation

Low cost of ownership
The open X-ray tube allows for local maintenance of internal tube components. The 3-wheel transportation incorporated allows the system to easily be manoeuvred through double-door entries. Also no special floor treatment is required to install XT H 225.

Configure the system to your specific needs
Specific applications require more detailed images or higher accuracy. XT H 225 can be configured with different flat panels (Varian, Perkin Elmer) or source configuration (reflection/ transmission target) to make the system ideally suited for your needs.
XT H 225ST system is an extended version to hold larger samples up to 50kg with a diameter of about 50cm.

XT H 225 ST Specifications

XT H 225 ST specs

Microfocus source          Max. kVMax. powerFocal spot sizeFocal spot size
 at max power
180kV Transmission target 180 kV 10 W 1 µm up to 3 W 10 µm at 10 W
225 kV Reflection target 225 kV 225 W 3 µm up to 7 W 225 µm at 225 W
225 kV Rotating target option 225 kV 450 W 10 µm up to 30 W 113 µm at 450 W


Detectors                  # BitsActive pixelsPixel SizeMax. frame rate
 at 1x1 binning
Max. frame rate
 at 2x2 binning
Varian 2520 14-bit 1900 x 1516 127 µm 7.5 fps  15 fps
Varian 4030 14-bit 2300 x 3200 127 µm 3 fps  7 fps
Perkin Elmer 0820 16-bit 1000 x 1000 200 µm 7.5 fps  15 fps
Perkin Elmer 1620  16-bit 2000 x 2000 200 µm 3.75 fps 7.5 fps
Perking Elmer 1621 EHS  16-bit 2000 x 2000 200 µm 15 fps 30 fps


# Axes 5
Axes travel (X) 450 mm
(Y) 350 mm
(Z) 750 mm
(Tilt) +/- 30
(Rotate) n*360°
Max. sample weight 50kg


Cabinet dimensions (LxWxH) 2,414 mm x 1,275 mm x 2,202 mm
Weight 4,200 kg
Safety All systems are manufactured to IRR99
Control software  All systems are controlled by Nikon Metrology’s in-house Inspect-X software 




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