Checking The Accuracy Of The Area Dose Product Measurement Device; Prerequisites; Preparations - Siemens SIREMOBIL Iso-C Service Instructions Manual

Adjustments / Programs
•
The potentiometer (Fig. 7) of the area dose product measurement device can be used to
adjust the test value to the programmed value (Qt*Kg).
•
After the adjustment, select "Stop Diamentor Test" on the service PC and click on "Exe-
cute".
•
Close the status window by clicking on the Ok button.
•
Respond to the query "Do ypu want to reset the unit" by clicking "No".
•
The test is ended.
•
Check the accuracy of the area dose product measurement device. Refer to the next
page.
Checking the accuracy of the area dose product measurement
device

Prerequisites

The calibration of the area dose product measurement device has already been per-
formed.

Preparations

•
Attach and center the center cross on the I.I. (Fig. 6).
•
Select survey format.
•
Select KV mA curve plateau HC1.
•
Attach and center the small (1cm
ment device (Dali, Nomex ...) onto the image intensifier (Fig. 7).
•
Release fluoroscopy briefly, adjusting the iris on the radiation field to a format of approxi-
mately 8 cm.
NOTE
•
Do not make any further adjustments to the iris.
•
Record the inner diameter (Fig. 8) of the octagonal area of the radiation field.
•
Remove the center cross.
•
The measuring chamber is still in the center of the I.I.
•
Select kV STOP and enter 70 kV.
Siemens AG
Medical Solutions
3
) dose measurement chamber of the dose measure-
The radiation field must cover the entire area of the dose
measurement chamber of the dose measurement device
(Dali, Nomex ...) .
SPR2-230.061.01
Rev. 13
Page 23 of 30
12.04 CS PS 24
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SIREMOBIL Iso-C
System Manual