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5. Measurements with the Piranha System
Dental and Panoramic Dental
Piranha & QABrowser Reference Manual
2014-06/5.5C
132
check measurement since the display is continuously updated during the scan. When
the value is stable within 1.00 ±0.05 release the exposure button.
If the QABrowser tells you
Reposition Detector
,
please move the detector to the centre of the
beam and try again.
You may need to use a film or other beam alignment tools if the narrow beam is several
mm outside the expected centreline. The dental film image below shows that in the
bottom part of the image you can see a part of X-ray slit image.
In this case the radiation beam centre is about 4 mm from the centre line indicated by
the thin centre black line. Move the detector about 4 mm to get it in the beam was the
cure for this case, to be able to pass check measurement criteria.
6. Press the rewind button on the panoramic unit to take back the unit to start position
after each scan that not make a successfully check. When the system passes the
test, you can trust the kV reading.
7. The Piranha changes automatically back to the previous selected kV range after the
Position Check
. As default this is range 55 - 105 kV, R2[4] as indicated on the
QABrowser screen.
Summary of Contents for Piranha
Page 1: ...Reference Manual English Version 5 5C Piranha QABrowser RTI article number 9629050 10 ...
Page 8: ...Introduction Chapter 1 ...
Page 12: ...Description of the Piranha Chapter 2 ...
Page 40: ...Description of the QABrowser Chapter 3 ...
Page 77: ...Measurement Principles Theory Chapter 4 ...
Page 91: ...Measurements with the Piranha System Chapter 5 ...
Page 151: ...Optional Accessories Chapter 6 ...
Page 155: ...Problems and Solutions Chapter 7 ...
Page 161: ...Glossary Chapter 8 ...
Page 181: ...Notes Piranha QABrowser Reference Manual 2014 06 5 5C Notes 177 ...