Dosimetry - Sirona Galileos Maintenance Instructions Manual

Sirona Dental Systems GmbH
Maintenance Instructions GALILEOS
1.
3.
4.
UNTIL UNIT IS IN STARTING POSITION
5.
9.4

Dosimetry

i
NOTE
A dose measurement device (e.g. Mult-O-Meter type 510L)
is required for dosimetry.
The distortion phantom should be clipped onto the X-ray de-
tector cover during the dose measurement process for pro-
tection against scratching.
1. Go to the sub-menu.
DOSE
2. Attach the Mult-O-Meter sensor approximately in the
middle of the distortion phantom mounted on the X-ray
detector.
3. Make SIDEXIS XG ready for exposure:
Click
IMAGE ACQUISITION
The exposure dialog box showing the exposure status
appears in SIDEXIS XG.
Service routine S002.6 is displayed on the control
panel.
4. Press the R key to move the unit back to the starting
position.
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D3437.103.01.04.02
R
!
WAIT
2.
6.
5. Press the release button. Hold down the release button
until image acquisition is completed and the acoustic
signal for end of exposure (double beep) sounds. Then
read the dose on the Mult-O-Meter.
The value must be between 1.2 and 2.3 mGray.
i
NOTE
If the value is outside the permissible range
(1.2 to 2.3 mGray), check the tube (see Service Manual).
6. To confirm that the dose is within the permissible
range between 1.2 and 2.3 mGray, click the check box
underneath the message window.
The box will appear checked.
• Remove the sensor from the distortion phantom again
and remove the phantom from the X-ray detector.
• Dosimetry is now completed.
• Continue the calibration procedure with sensor calibra-
tion.
9 Adjusting / calibrating the system
9.4 Dosimetry
27