Specifications Preva
113
Specifications
Preva Dental X-ray System
Line Voltage
AC 100 V to 250 V, 50 Hz or 60 Hz
Line Load
250 V, UL Recognized – It is recommended that branch circuit not
exceed 15A
Tube Potential
60 kV, 65 kV, 70 kV
Tube Current
4 mA, 5 mA, 6 mA, 7 mA (7 mA is not available at 70 kV.)
Irradiation Time
20 ms through 2 s
Maximum Deviation from
Indicated Values
Peak tube potential, maximum deviation: ±5%
Tube current, maximum deviation: ±1 mA
Exposure time: min 20 ms, max. 2 s, max. deviation: ±5%+1 ms
Minimum Source to Skin
Distance
8 inch (20 cm)
12 inch (30 cm)
Focal Spot
0.4 mm (per IEC 60336)
Operating Temperature
+50 °F to +95 °F (+10 °C to +35 °C)
Storage Temperature
-31 °F to +150 °F (-35 °C to +66 °C)
Maximum Altitude
12,000 ft (3,657 m)
X-ray Beam Dimension
Diameter of 2.72 inches (7 cm) at the end of the 7 inch Cone.
Cones with smaller diameter or rectangular beams are available.
Humidity Range (Operation
& Storage)
10 to 80 % non-condensing
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