554821 Computerised Tomography Module

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Records the 2D-projections of an object illuminated by x-rays within a few minutes. During the recording of the 2D-projections, the e-learning software visualises the backprojection process in two or three dimensions alternatively. After the scan the complete 3D-object is available to be viewed (rotating, zooming, transparency effects, projections, illumination similar to the Heidelberger ray-tracing model).
Well-resolved images of various objects can be obtained in spite of the simple measuring method and the low energy of the x-ray radiation (35 keV) from the educational x-ray apparatus. The 3D-computed tomogram of various objects can be evaluated qualitatively and quantitatively. The learning involved in the preparation of the scanning process and image evaluation is emphasised.
Additionally, a suitable x-ray apparatus (554 811USB or 554 801, X-ray tube W 554 864) and a powerful computer are required.

For demo videos: please visit
Computed Tomography with the X-Ray Apparatus

Technical Data

•Mounting of the object at the goniometer of the x-ray apparatus
•Maximum object size: approx. 8 x 8 x 8 cm³
•Object resolution: approx. 0,25 mm
•Angular resolution: 1 - 360 2D-projections per computed tomogram
•Size of the computed tomogram: 200 - 340 pixel per dimension
•Connection of the module to the computer: USB 2.0-Port
•Connection of the x-ray apparatus to the module: USB 2.0-Port
•Separate Video output: Cinch (CCIR)
•Mains voltage: 230 V, 50/60 Hz
•Dimensions: 53 cm x 34 cm x 24.5 cm
•Weight: 13.5 kg

Scope of delivery

Computed tomography module
Computed tomography software
Object (small dried animal, e.g. frog)
Cell (e.g. for water)
Object holder including polystyrene holder
USB cable

PC Requirements

The real-time recording and evaluation of a computed tomogram need a powerful CPU and graphics card.

For performing CT scans the following minimum requirements apply:
* Windows XP SP2 or Windows Vista (32 bit or 64 bit)
* Dual-Core CPU 2 GHz
* 2 GB RAM
* DirectX 9 compatible 3D-graphics card with shader model 3 support and 256 MB RAM
(Nvidia GeForce 7600 / 8600 or better)
* Screen resolution 1024x768 (TrueColor)
* USB 2.0 port

For larger computed tomograms we recommend a more powerful PC:
* Windows Vista (32 Bit or 64 bit)
* Quad-Core Prozessor 2,4 GHz
* 3 GB RAM
* DirectX 9 compatible 3D-graphics cards with shader model 3 support and 512 MB RAM
(ATI Radeon 3850 /Nvidia GeForce 8800 or better)
* Screen resolution 1280x1024 (TrueColor)
* USB 2.0 port