5. Measurements with the Piranha System
Dental and Panoramic Dental
2014-06/5.5C
129
Piranha & QABrowser Reference Manual
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
Piranha surface should optimally be
placed perpendicular to the focal
spot, see also Angular Sensitivity,
Piranha .
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 Piranha
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
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.
5. Make an exposure.
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