Dose Area Product - Morita Veraview iX Operation Instructions Manual

Dose area product

The Dose area product displayed is the multiplication product of the air kerma end and the size of the radiation field at the cone.
These values are typical values and are not the measured Dose area products for each X-ray exposure. In addition, these
values differ between when the standard cone is used and when the long cone is used.
The air kerma is calculated by divided the Dose area product by the X-ray field size of diameter 58 mm.
The dosemeter to check and maintain the accuracy of the Dose area product indications shall be calibrated at the appropriate
energy.
Accuracy: Display value ±50%
.
mGy cm
2
Standard Cone Long Cone
The dose area product is not affected by the SSD (Source Skin Distance) but;
• Air kerma (dose) is attenuated by inverse square of the SSD ratio.
• The radiation field diameter increases in proportion to the SSD ratio.
• The size of the radiation field (area) increases in proportion to the square of the SSD ratio.
22
* You can check the factory-set defaults as follows:
1. After checking that the Ready indicator is lit, press and hold the Lady key (approximately
five seconds).
.
mGy cm
2
2. Beeps will be heard and the current settings will be displayed on the timer display (*"SC"
or "LC" can be switched using the up or down key).
3. To save the settings, press and hold the Occlusion key (approximately 5 seconds).
(*Hold the key until you hear beeps. To not save the settings, press the Occlusion key for
a short time or turn off the unit.)
Operation 2018-02-20