5. Measurements with the Piranha System
Cine/Pulsed Radiography
2014-06/5.5C
103
Piranha & QABrowser Reference Manual
5.3.3 HVL, Quick-HVL, and Total Filtration
Use the same procedure as for the normal radiography measurement.
Note that if it is difficult to get a good pulse rate reading, you may use a manual pulse
rate setting, as described under Settings to get a dose per pulse reading.
Fluoroscopy and Pulsed Fluoroscopy5.4
For under-table fluoro measurement turn the Piranha upside-down. Use the optional
detector rod to be able to put the detector in the cassette holder or on the image
intensifier without risk of hazardous X-ray.
The Position Check should be used to confirm the position of the Piranha. When you
select fluoroscopy or pulsed fluoroscopy (as type of measurement) the Piranha system
automatically changes to continuously updating the display and using the highest
possible sensitivity.
When parameter All... is selected, kVp,
exposure time, and dose rate are measured
and the display is updated approximately
every four seconds.
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