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[ 1 ] ELECTRICAL AND RADIATION DATA
1. X-ray tube --------------------------------------------------Toshiba D-0711 (StationaryAnode)
a. Focal spot------------------------------------------------0.7 mm
b. Target Material------------------------------------------Tungsten
c. Target angle ---------------------------------------------16˚
d. Maximum anode heat content ------------------------7kJ (10kHU)
2. Maximum x-ray tube assembly heat content ----------120kJ (170kHU)
3. Rated peak tube potential --------------------------------60 kV / 70 kV selectable
4. Rated tube current -----------------------------------------4 mA / 7 mA selectable
5. Maximum rated peak tube potential -------------------- 70 kV
6.
7. Power line frequency ------------------------------------- 50/60Hz,Single Phase
8. Exposure time----------------------------------------------0.01 ~ 3.2 sec.
9. Inherent filtration------------------------------------------1.7 mm Al Equivalent
10. Added filtration ------------------------------------------- 0.3 mmAl
11. Minimum filtration permanently in useful beam -----2.0 mm Al Equivalent at 70 kV
12. Nominal roentgen output 60 kV 70 kV
4 mA 7 mA 4 mA 7mA
a. Distal end of regular cone ----------------------------- 5.4 9.4 7.1 12.4 mGy/sec. ±40%
b. Distal end of long cone -------------------------------- 2.4 4.2 3.1 5.5 mGy/sec. ±40%
(Data obtained by direct measurement in the useful beam)
13. Nominal electrical output of H.V. generator ----------0.49 kW at 70 kV, 7 mA
14. Cone Source to skin distance Field size
a. Regular cone -------------------------------------------- 203 mm 58 mm dia., circular
b. Long cone (option) ------------------------------------- 305 mm 58 mm dia., circular
c. Rectangular cone (option) ----------------------------- 203 mm 36 x 47 mm, rectangular
15. Maximum symmetrical radiation field ---------------- 60 mm dia. at distal end of cone
16. Leaking technique factor --------------------------------70 kV / 0.14 mA
(0.14 mA is maximum rated continuous
current for 7 mA with a duty cycle 1 : 50)
17. Duty cycle ------------------------------------------------- 1 : 50 (0.5 sec. exposure with 25 sec. interval)
18. Maximum deviation of tube potential, tube current and exposure time
a. Below 0.1 sec. setting----------------------------------±10 kV, ±2 mA, ±5 msec.
b. 0.1 sec. setting & up ----------------------------------- ±5 kV, ±1 mA, ±10 msec.
19. Measurement base of technique factors
a. peak tube potential ------------------------------------- Average of peak tube potentials during
one exposure
b. tube current----------------------------------------------Average of tube current during one exposure
c. exposure time -------------------------------------------Time period during x-ray is emitted
20. Half value layer -------------------------------------------1.5 mm Al over
21. Source to the base of cone distance -------------------- 94 mm
22. Environmental condition for storage------------------- -20 ~ 70˚C, 10 ~ 100%, 500 ~ 1060hPa
23. Environmental condition for operation ---------------- 10 ~ 40˚C, 30 ~ 70%, 700 ~ 1060hPa
SECTION 1 : TECHNICALDATA
Rated Line Voltage [Vac] 100 110 120 220 230 240
Minimum Line Voltage [Vac] 90 99 108 198 207 216
Maximum Line Voltage [Vac] 110 121 132 242 253 264
Rated Line Power [kVA] 1.1 1.2 1.3 1.5 1.5 1.6
Rated Line Current at 70kV,7mA [Aac] 10.8 10.8 10.8 6.6 6.6 6.6
Maximum Line Current at 70kV,7mA [Aac] 12 12 12 7.3 7.3 7.3
(Internal Resistance [Ω] ) (0.18 ~ (0.20 ~ (0.22 ~ (0.97 (1.02 (1.06
0.44) 0.49) 0.53) max.) max.) max.)
Range of Line Valtage Regulation [%] 2 ~ 5 2 ~ 5 2 ~ 5 0 ~ 3 0 ~ 3 0 ~ 3