Function tests 5 - 3
Siemens AG SPR2-310.662.01 Page 3 of 10 ARCADIS Varic
Medical Solutions Rev. 02 05.06 CS PS SP
3 Entrance dose rate 5
The legal maximum entrance dose rate is 87 mGy/min (10 R/min).
For safety reasons, the value has been fixed at < 78 mGy/min (9 R/min) at the factory.
The entrance dose rate must be checked by means of a dose rate meter.
In the measurement setup shown, the maximum adjustable values 110 kV yield an input
dose rate of approx. 87mGy/min (10 R/min).
Measurement set-up
Position the measurement detector of the dosimeter as shown in the diagram.
Press the " ” button at the operating console.
Select 110 kV. Select full I.I. format, open the collimator to max. aperture, switch fluoros-
copy ”ON”. Measure the dose and record.
Fig. 1
30 cm
100 cm
2,1
cm
Image intensifier
Input screen
Ionization
chamber
Focal spot
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