Measuring HVL using the classic method? Then
the Piranha holder and HVL stand together with a
filter kit may be handy. The stand features a
camera screw that fits perfectly into the camera
thread of the Piranha. The stand allows you to
position the Piranha or the Piranha Dose Probe
and HVL filters in any angle including upside-
down. Use the light-field or other help to position
the Piranha in the X-ray field. The Piranha
detector is not sensitive for different field sizes as
long as the entire sensitive detector area is
irradiated, but try to keep the field size down to
minimize scattering. Recommended field size for
Piranha is 20×40 mm (at the Piranha surface).
Measuring on an orthopantomographic
dental machine may be practically difficult.
Use of the Piranha Panoramic Holder may
help a bit.
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