A-4
Individual fluoroscopic and radiographic exposure limits govern allowable tech-
niques until the heat storage capacity of the anode is reached. Thereafter, contin-
ued operation can be maintained only at the limit of the anode dissipation rate of
75,000 heat units per minute until the tube unit capacity of 1,500,000 heat units is
reached. The input rate, including stator power, is then limited to 60,000 heat units
per minute for the radiographic casing and 75,000 heat units per minute for the
fluoroscopic casing.
Both the heat unit values shown for stator power and the heat unit values for
exposures must be considered in calculating the average input rates for extended
periods of operation.
The average energies attributable to stator power per exposure are as follows:
2-4
Radiographic Ratings
The tube rating charts are based upon a target temperature equivalent to 25% of
storage (75% remaining). For heavy duty operation where this temperature is
exceeded, 80% of the rating must be used.
2-5
Fluoroscopic Ratings
Rotating Anode
•
All focal spot sizes – 6 mA – 150 kVp subject to thermal limitations (900
kVp–mA product up to 150 kVp).
Stationary Anode
•
0.6 mm focus – 5 mA – 110 kVp, 4 mA – 130 kVp.
SECTION 3
WEIGHTS (APPROX.)
Lbs. Kg.
NET 65
29.5
SHIPPING 87 39.5
SECTION 4
RELATED PUBLICATIONS
Service Manual
SM D1176
0–10,000 rpm
8,000 heat units
5,926 Joules
0–3,400 rpm
4,000 heat units
2,960 Joules
3400–10,000 rpm
4,000 heat units
2,960 Joules
Continuous operation
(fluoroscopy, normal
minute speed)
8,000 heat units/minutes
99 Watts
FOR
TRAINING
PURPOSES
ONLY!
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