maximum tube load specified by the manufacturer for stated operating factors, the waveform of the X-ray tube voltage being such that coefficient f = 1
NOTE – There are two maximum ratings:
a) The 2.5 h rating: This is the maximum rated tube load of an X-ray tube for a time of 2.5 h given by the manufacturer for various types of use (assembly in a shield, artificial cooling, use with long cables, etc.).
b) Temporary use: Unless indicated otherwise this is the maximum rated tube load permitted for a time of 0.1 s and for a coefficient f = 1.
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