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Laboratory spectrometer SPECTRUMA GDA 550 HR

TECHNICAL DETAILS Manufactured by Spectruma GmbH (Germany)
Model: GDA 550 HR
Software: WinGDOES Version 4.0
Installed lines 28
Year of manufacture 2006
Internal anode diameter, mm 4 (optional, 1...8)
Max. sample diameter, mm 120 or greater
Min. sample thickness, mm 0,5
Min sample thickness with special sample holder, µm 5
Max. sample thickness, mm 45
Excitation: in three different operation modes
Cooling: air cooling (6,7,8 mm water cooling)
Voltage regulated, V:
- Max. 1530
- intervals regulated 1
Current regulated, mA:
- Max. 255
- Variable at 0,1 intervals
Power regulated, W:
- Max. 240
- Variable at 0,1 intervals
Spectrometer setup, mm 750
Grating, lines/mm 2400
Dispersion, nm/mm 0,55
Spectral range, nm 110...456
Max. channels 63
Vacuum chamber: rotary vane pump
Glow discharge lamp: rotary van pump
Number of vacuum pumps 2
Voltage, V 230
Frequency, Hz 50/60
Fuses, A 16 passive
Machine dimensions, mm 1460 x 890 x 1380
Machine weight, kg 630

The GDA 550 HR is designed to be equipped with more than 60 fixed analytical element channels, using photomultiplier tubes. This Glow Discharge Optical Emission Spectrometer is perfectly suitable for demanding applications requiring flexibility, high resolution, and analytical precision.

The optional High Resolution SPECTRUMA CCD optics extends the analytical capabilities of the GDA 550 HR into unmatched dimensions. This enables to add an almost unlimited number of analytical element channels to any given method.

All elements including the light ones (H, O, N, Cl and C) may be determined quantitatively.

Primarily designed to analyze coatings up to a depth of 200 μm, with a depth resolution of 1 nm to 5 nm on the surface, the GDA 550 HR is also capable of executing bulk elemental analysis (chemical composition of materials) providing superior linearity of calibration curves for complex matrices. The detection limits at most are 0.1 ppm.

The GDA 550 HR is suitable for the analysis of conducting samples.

The instrument can be used e.g. for the following applications:

  • to inspect surfaces after diffusion processes
  • to examine galvanic coating processes
  • to analyze hard material coatings via PVD or CVD
  • to assess hot dip galvanizing as well as other kinds of galvanizing
  • to determine the elemental concentration in layers and bulk material
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