ACR Electronics L-32 FIELD MARKER LIGHTING SYSTEM Technické informace stáhnout pdf (Strana 18)

the HVL measurement.

The test protocols

of the following two sections

describe methods to measure

the HVL to

determine

compliance with minimum filtration requirements.

Since

the

HVL

is a function of the actual high voltage applied

to the x-ray tube, the protocols

assume the unit's

kV

calibration is correct.

If such is not the case, the

measured HVL may

lead to

an erroneous

conclusion

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