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USER MANUAL • Owandy-RX AC • 2/2020 • NXACEN160A
User Manual – Owandy-RX AC
EXPOSURE VALUES
5.1. CHART OF DEFAULT EXPOSURE VALUES
The chart indicates the
Owandy-RX AC
radiographic system
predefi ned
exposure values. (refer to Chapter 3)
I
INCISOR
C
CANINE
P
PREMOLAR
M
MOLAR
Ba
ANTERIOR BITE-WING
Bp
POSTERIOR BITE-WING
Oa
OCCLUSAL ANTERIOR
Op
OCCLUSAL POSTERIOR
PLEASE NOTE
The default exposure times can be modifi ed. (refer to Chapter 6)
PLEASE NOTE
The following exposure values are only indicative and the manufacturer cannot guarantee the universal applicability of them for any kind of cir-
cumstances or type of X-ray sensor used, since variations and inaccuracies may arise from sensor to sensor and may require adjustments to
accommodate local confi gurations (software, fi lm processing, digital processing, CCD or CMOS types, etc.)
Therefore the operator must establish for each of support used and for each patient the correct technique factors (kV, mA, s) setting needed.
The operator has the full responsibility to determine and implement the correct technique factors required in accordance with the type of X-ray
examination being performed.
Before performing an intraoral radiograph by any Digital X-ray sensor (CMOS or CCD) or Phosphor Plates (PSP), the operator must imperatively
verify and eventually adjust the pre-programmed exposure time setting of the
Owandy-RX AC
using the instructions contained in the accompa-
nying document of the sensor.
!
WARNING
In radiation physics the X-ray beam intensity is measured in terms of air kerma (mGy), the unit that indicates the amount of radiation in an X-ray
beam.
The X-ray beam intensity is proportional to the X-ray tube current (mA): doubling the tube current will double the X-ray beam intensity.
The X-ray beam intensity is proportional to the exposure time (s): doubling the exposure time will double the X-ray beam intensity.
