 |
|
Contact
Home
History
Optical System
Specifications
|
|
© 2009, Avaatech - The Netherlands.
Latest page update: 21st June 2008
• Stainless steel cabinet with X-ray safe window, dimensions: 3400 x 750 x 1500mm
• Weight: 1250kg
• Weight: 1250kg
INSTALLATION REQUIREMENTS
Electrical:
• 230 or 115V AC, 50 or 60Hz, fused with 16 Ampere
• Average power consumption is less then 1000 Watt including personal computer
Helium:
• Pressure 1.5...2.5 bar, usually from 50 liter / 200 Bar gas bottle with pressure regulator
• Purity 99.6%
• Flow 10...20 ml/min at environmental pressure to flush X-ray path in the triangle, the estimated live time of a 200bar / 50 l bottle is around 200 days.
• 230 or 115V AC, 50 or 60Hz, fused with 16 Ampere
• Average power consumption is less then 1000 Watt including personal computer
Helium:
• Pressure 1.5...2.5 bar, usually from 50 liter / 200 Bar gas bottle with pressure regulator
• Purity 99.6%
• Flow 10...20 ml/min at environmental pressure to flush X-ray path in the triangle, the estimated live time of a 200bar / 50 l bottle is around 200 days.
ELECTRONICS
X-Ray generation:
• Oxford 100Watt water cooled X-Ray source with Rhodium anode, 125µm Beryllium window
• Voltage range of 7...50kV and current range 0...2mA
• Rotating filter system in the primary beam
• Computer controlled excitation
• Tube lifetime between 5000 and 8000 hours of operation
X-Ray detection:
• High performance digital Canberra X-Pips Si PIN-diode detector with FWHM better then 200eV @ Mn k-alpha.
• Detector crystal surface 5mm2 with Ag collimator
• Detector crystal thickness 1500µm
• Thermoelectrically cooled, two stage Peltier
• Beryllium window thickness 12µm
• Canberra DSA-1000 Digital Signal Processor
• Detection range Mg - U
Motion control:
• Computer controlled DC motor for X - axis (position accuracy of ± 0.005mm) and Z - axis (position accuracy of ± 0.005mm) to position the X-ray devices accurately on the sample core
• Computer controlled DC motor for masking slit control. Slit opening can be set 10mm down to 0.1mm
Personal computer:
• Hewlett-Packard high-end business type PC with DVD-RW with Windows-XP-Pro operating system
• 20 inch LCD flat screen and a Hewlett-Packard business type ink-jet colour printer
• Oxford 100Watt water cooled X-Ray source with Rhodium anode, 125µm Beryllium window
• Voltage range of 7...50kV and current range 0...2mA
• Rotating filter system in the primary beam
• Computer controlled excitation
• Tube lifetime between 5000 and 8000 hours of operation
X-Ray detection:
• High performance digital Canberra X-Pips Si PIN-diode detector with FWHM better then 200eV @ Mn k-alpha.
• Detector crystal surface 5mm2 with Ag collimator
• Detector crystal thickness 1500µm
• Thermoelectrically cooled, two stage Peltier
• Beryllium window thickness 12µm
• Canberra DSA-1000 Digital Signal Processor
• Detection range Mg - U
Motion control:
• Computer controlled DC motor for X - axis (position accuracy of ± 0.005mm) and Z - axis (position accuracy of ± 0.005mm) to position the X-ray devices accurately on the sample core
• Computer controlled DC motor for masking slit control. Slit opening can be set 10mm down to 0.1mm
Personal computer:
• Hewlett-Packard high-end business type PC with DVD-RW with Windows-XP-Pro operating system
• 20 inch LCD flat screen and a Hewlett-Packard business type ink-jet colour printer
SAFETY
Safety precautions of the AVAATECH XRF Core-Scanner against leakage of ionizing X-ray radiation comply with highest international standards.
• During proper operation of the XRF Core-Scanner, the measurable radiation at 10cm distance from external surfaces of the instrument is < 1 µS/h cm2
• The instrument comprises two independently operating safety circuits in accordance with EN954-1 class 3
• X-ray safety compliance with "DIN 54113 Strahlenschutzregeln für Vollschutzgerãte", and "Vollschutze instufung". Maximum voltage of X - Ray source is 50kV
• Compliance with Machines Guideline 98/37/EG
Avaatech guaranties the XRF Core - Scanner complies with the standards set out by the radiation protection authorities in the country of delivery, and will take the needed actions to fulfil this obligation.
The Avaatech XRF Core Scanner is built to fulfil CE requirements.
• During proper operation of the XRF Core-Scanner, the measurable radiation at 10cm distance from external surfaces of the instrument is < 1 µS/h cm2
• The instrument comprises two independently operating safety circuits in accordance with EN954-1 class 3
• X-ray safety compliance with "DIN 54113 Strahlenschutzregeln für Vollschutzgerãte", and "Vollschutze instufung". Maximum voltage of X - Ray source is 50kV
• Compliance with Machines Guideline 98/37/EG
Avaatech guaranties the XRF Core - Scanner complies with the standards set out by the radiation protection authorities in the country of delivery, and will take the needed actions to fulfil this obligation.
The Avaatech XRF Core Scanner is built to fulfil CE requirements.
ANALYTICAL
Flexible sample support:
• u-channels, slabbed cores, coral slices, flat cuts and discs
• split cores
o diameters from 30 to 150mm,
o maximum length of 1650mm
Adjustable measurement area:
• a motorized slit system that enables a variable irradiated length from 10 to 0.1mm (100µm).
• a manual slit system that enables a variable irradiated width from 15 to 2mm.
Stepsize:
• stepsize can be set from 0.1mm to any step within the length of the sample.
Minimum detection limits:
• Detection limits are mentioned in a separate sheet.
• u-channels, slabbed cores, coral slices, flat cuts and discs
• split cores
o diameters from 30 to 150mm,
o maximum length of 1650mm
Adjustable measurement area:
• a motorized slit system that enables a variable irradiated length from 10 to 0.1mm (100µm).
• a manual slit system that enables a variable irradiated width from 15 to 2mm.
Stepsize:
• stepsize can be set from 0.1mm to any step within the length of the sample.
Minimum detection limits:
• Detection limits are mentioned in a separate sheet.
SOFTWARE
• Avaatech software for data acquisition has a friendly user interface that allows fully automated measurements.
• Canberra WinAxil software is able process huge amount of spectra in a unattended batch mode.
Avaatech online remote support:
Via an internet connection a direct contact is obtained with the scanner electronics and with the desktop of the scanner computer. With this shared desktop problems can be discussed and solved.
A web camera in the core scanner can show the (moving) instrument, the sample, etc. This combination is a very effective tool that can be used to solve problems within minutes.
• Canberra WinAxil software is able process huge amount of spectra in a unattended batch mode.
Avaatech online remote support:
Via an internet connection a direct contact is obtained with the scanner electronics and with the desktop of the scanner computer. With this shared desktop problems can be discussed and solved.
A web camera in the core scanner can show the (moving) instrument, the sample, etc. This combination is a very effective tool that can be used to solve problems within minutes.
XRF LINE SCAN SPECIFICATIONS
Introduction:
The colour system is a line-scan camera with three CCD sensors and a beam-splitter. It is a commercial camera, Jai CV-L107, with RGB channels at 630nm, 535nm and 450nm with very good channel separation. It has 3x 2048 pixels and each individual pixel is calibrated on a white ceramic reference tile. The system is capable to scan objects of 1500mm long and 150mm wide. The Avaatech linescan software can produce visual colour images but also colour data in RGB and CIE-L*,a*,b*. The user can define the area of the image that produces the colour data. In that area the pixels in cross-core direction are averaged but in down-core direction a resolution better then 0.1mm is achieved. Default the system produces RGB and CIE-L*,a* and b* colour data of that part of the core that is also 'seen' by the XRF. The minimum cross-core area you can define is one pixel which is less then 0.1mm.
System highlights:
• High frequency linear lighting system
• Cross-core image coverage 150mm with a resolution better then 100µm
• Down-core image coverage up to 1500mm with a scan speed of 1min/meter
• Individual CCD pixel calibration on a reference white surface
• Quick scan function for easy aperture adjustment
• Focus scan function for easy focus adjustment
• Real-time image calibration during scanning
• Life image and RGB histograms on screen during scanning
• Image output in BMP, TIF and JPG
• Colour output in ASCII containing RGB data and CIE_l*a*b* data
UV luminescence measurements are currently under development. Preliminary results have shown the tool can be efficiently used to give additional insight into the chemistry of minerals and materials.
Promising results have been obtained from the following materials:
• corals
• carbonates
• stalagmites
• shells
• sediment cores
The colour system is a line-scan camera with three CCD sensors and a beam-splitter. It is a commercial camera, Jai CV-L107, with RGB channels at 630nm, 535nm and 450nm with very good channel separation. It has 3x 2048 pixels and each individual pixel is calibrated on a white ceramic reference tile. The system is capable to scan objects of 1500mm long and 150mm wide. The Avaatech linescan software can produce visual colour images but also colour data in RGB and CIE-L*,a*,b*. The user can define the area of the image that produces the colour data. In that area the pixels in cross-core direction are averaged but in down-core direction a resolution better then 0.1mm is achieved. Default the system produces RGB and CIE-L*,a* and b* colour data of that part of the core that is also 'seen' by the XRF. The minimum cross-core area you can define is one pixel which is less then 0.1mm.
System highlights:
• High frequency linear lighting system
• Cross-core image coverage 150mm with a resolution better then 100µm
• Down-core image coverage up to 1500mm with a scan speed of 1min/meter
• Individual CCD pixel calibration on a reference white surface
• Quick scan function for easy aperture adjustment
• Focus scan function for easy focus adjustment
• Real-time image calibration during scanning
• Life image and RGB histograms on screen during scanning
• Image output in BMP, TIF and JPG
• Colour output in ASCII containing RGB data and CIE_l*a*b* data
UV luminescence measurements are currently under development. Preliminary results have shown the tool can be efficiently used to give additional insight into the chemistry of minerals and materials.
Promising results have been obtained from the following materials:
• corals
• carbonates
• stalagmites
• shells
• sediment cores
|
|
DIMENSIONS
|
|