METALJET D2+ SAFETY
Revision 19, November 2016 Page 2-4
2.1.7 Heat
During operation of the MetalJet D2+ source the surfaces of the x-ray head, the vacuum pumps, and the low-
pressure tubing may become hot. Depending on the operating and ambient conditions these surfaces may
reach temperatures above 50°C (122°F). Use suitable finger guards if necessary.
Hot surfaces
The x-ray head, the vacuum pumps, and the low-pressure tubing may become hot during operation of the
MetalJet D2+ source.
2.1.8 Magnetic fields
The electron gun/x-ray head of the MetalJet D2+ source is sensitive to external magnetic fields, which may
cause severe loss of x-ray output performance, since the electron beam may be affected.
The MetalJet D2+ source may also be sensitive to ferromagnetic materials (and other materials with a high
relative magnetic permeability) close to the electron gun/x-ray head. These may affect the magnetic fields
generated by the electron optics and the focusing lens and thus cause a severe loss of x-ray output
performance.
As a consequence of the influence of materials with a high relative permeability and external magnetic fields,
the MetalJet D2+ source may be damaged and in need of service to exchange parts and recalibrate settings.
Permanent magnets, energized electro-magnets, or ferromagnetic materials must not be placed close to the
MetalJet D2+ source.
External magnetic fields and ferromagnetic materials
The MetalJet D2+ source may experience loss of performance as well as damage if exposed to external
magnetic fields or ferromagnetic materials close to the electron gun/x-ray head.
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