• 554821 Computerised Tomography Module

    554821 Computerised Tomography Module


    Computed Tomography Module

    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.

    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)
    • creen 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

    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 - 720 2D projections per computed tomogram
    • Size of the computed tomogram: 200 - 340 pixels 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

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