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Siemens AG SPR2-330.662.01 Page 1 of 6 ARCADIS Avantic
Medical Solutions Rev. 02 05.06 CS PS SP
Function tests 5
1 Checking the accuracy of the tube voltage 5
The actual kV value must agree with the indicated value within the limits stated by
Siemens (max. deviation
&10 % for the ARCADIS Avantic), if the X-ray system is con-
nected to a power supply corresponding to Siemens specifications.
Tools: PTW-Nomex
Test procedure:
Refer to the information on the Nomex in the operating instructions
Connect the Nomex.
Remove the single-tank cap at the POWERPHOS after removing the two screws.
Select full image intensifier format and open the collimator fully.
Place the measuring detector on the diaphragm.
Set the following values in the operating field and check
2 Reproducibility 5
The coefficient of variation must not exceed 0.05 when the X-ray system is connected to a
power supply as specified by Siemens.
The technique factors should be adjusted to alternate settings and reset to the test setting
after each measurement.
2.1 Measurement set-up 5
Place the dosimeter in the center of the X-ray beam.
Before each new dose measurement, make sure that the indicator is reset to zero.
Operating mode Indicated Measured Tolerance
Fluoroscopy 70 kV 63 kV to 77 kV
Fluoroscopy 112 kV 101 kV to 123 kV
Fluoroscopy 125 kV 113 kV to 137 kV
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