TECHNICAL SPECIFICATIONS
56 Planmeca ProX
User’s Manual
DEFINITION OF MEASUREMENT CRITERIA
Exposure time
The beginning and end points of the exposure time are defined at 70% of the peak radiation waveform
measured with a calibrated x-ray monitor.
Peak tube potential
Is defined as the high voltage mean value measured with a calibrated non-invasive kVp meter.
Tube current
Is defined using the voltage over the feedback resistor measured with a calibrated multimeter. The
mA value is calculated by dividing the voltage by the resistance value.
The nominal x-ray voltage together with the highest x-ray tube current obtainable
from the high-voltage generator when operated at it’s highest
x-ray tube voltage
70 kV, 6 mA
The nominal x-ray tube current when operated at the highest x-ray tube voltage
6 mA, 70 kV
The x-ray tube voltage and tube current which result in the highest electric output
power
70 kV, 6 mA
The nominal electric power for a load time of 0.1 sec and at the nominal x-ray tube
voltage
1.4 kW at 70 kV, 6 mA
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