Specifications Preva
28
Specifications
Preva Dental X-Ray System
The following specifications contain information required to be provided to the user per Federal
Regulation 21 CFR.
Line Voltage
100-230 VAC +/- 10% 50/60 Hz
Line Load
Max. current 5 amps
Maximum Rated
Tube Potential
70 KVp
kVp Accuracy
+/- 5% selectable
Tube Current
4-7 mA +/- 1 mA
Exposure Time
10 ms through 2.00 seconds
Timer Accuracy
5% +/- 1 ms
Source to Skin
Distance
8 inch (20 cm)
12 inch (30 cm)
Minimum Half Value
Layer
1.7 mm Aluminum equivalent at 70 kVp
Minimum Inherent
Filtration
2 mm Aluminum equivalent @ 70 kVp
Focal Spot
0.4 mm (IEC 336)
Automatic Cooling
Time
15 times the exposure time wait before the next exposure can begin
Leakage Technique
Factors
0.4 mA at 70 kVp
Target Angle
12.5 degrees
Operating
Temperature
+50 F/+95 F (+10 C/+35 C)
Storage
Temperature
-31F/+150 F (-35 C/+66 C)
Maximum Altitude
12,000 ft
Cone Focal Length
8 inch (20 cm) for bisecting angle technique
12 inch (30 cm) for paralleling technique
Diameter of X-Ray
2.7 inch (6.9 cm) at the end of the Cone
Specifications for optional cones differ