5. Measurements with the Barracuda System
Dental and Panoramic Dental
Barracuda & QABrowser Reference Manual
2012-10/4.3A
150
If you want to measure the exposure time in
number of pulses you can do so.
2. Place the detector on the table at
the distance that is clinically
relevant. As default, the kV-filter for
55 - 105 kV is selected
automatically. Furthermore the
MPD surface should optimally be
placed perpendicular to the focal
spot, see also Angular Sensitivity,
MPD .
3. It is recommended to make a check measurement to confirm that the detector area
is uniformed radiated. Select a exposure time of at least 400 ms. The MPD
automatically changes back to the previous selected kV-filter after the check
exposure. As default, this is radiography filter R2 indicated by a [4] on the front of
the MPD case as well as on the QABrowser screen.
4. Set the kV and mA/time (or mAs) to desired values. Select a exposure time to near
400 ms since the delay is set to 200 ms.
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