Lunar DPX-IQ, Operator'S Manual, Page: 136 / 166

H-6 Specifications DPX-IQ Operator’s Manual
Mains frequency 50/60 Hertz IEC 601-2-7 6.1j)3
Maximum apparent resistance of supply mains 0.8 Ohms IEC 601-2-7 6.1j)4
Required over-current releases 15 Amp dedicated service IEC 601-2-7 6.1j)5
Heat dissipative components
X-ray tube dissipates 305W max. into
surrounding air through forced air
convection. Flow rate: 36 m
3
/h (approx.)
Temp. rise of air stream 25º C (approx.)
IEC 601-2-7 6.1t)
Allowable high voltage supplies
Spellman X2112/X2113/ rev. K and higher.
Bertran 2411P and 2411N rev. A and
higher. LUNAR p/n 0311 and 0312.
IEC 601-2-7 6.8.1
and 50.2.101-102
Allowable tube head assemblies LUNAR model 2288 or equivalent
IEC 601-2-7 6.8.1
and 50.2.101-102
Original language of accompanying documents English IEC 601-2-7 6.8.1
Maximum contiuous kV, mA at nominal rated kV 76 kV, 4 mA IEC 601-2-7 6.8.2 1)
Maximum intermittent kV, mA at maximum kV 76 kV, 5 mA IEC 601-2-7 6.8.2 1)
Maximum continuous kV, mA at maximum mA 61 kV, 5 mA IEC 601-2-7 6.8.2 2)
Maximum intermittent kV, mA at maximum mA 76 kV, 5 mA IEC 601-2-7 6.8.2 2)
Continuous kV, mA for maximum electric output
power
76 kV, 4 mA IEC 601-2-7 6.8.2 3)
Intermittent kV, mA for maximum electric output
power
76 kV, 5 mA IEC 601-2-7 6.8.2 3)
Nominal electric power 0.4 kW IEC 601-2-7 6.8.2 4)
Reference current time product
7.89 mAs. Parameters: 76 kV, 2.63 mA,
3 seconds.
IEC 601-2-7 6.8.2 5)
Nominal shortest irradiation times 3 seconds. IEC 601-2-7 6.8.2 8)
Repetition rate for loading during tests
No specific wait period was imposed.
Time between tests was approximately
20 seconds.
IEC 601-2-7
50.104.4
Method of X-ray tube voltage measurement
Voltage divider in high voltage power
supply. IEC 601-2-7
50.106.1
Method of X-ray tube current measurement
Shunt resistor in high voltage supply
return line. IEC 601-2-7
50.106.2
X-ray tube assembly reference axis
Line normal to the tube port, centered on
tube port as shown in figure H-1. IEC 601-2-7 6.1j)5)
50.107.1
Reference loading conditions
1.09 x 10
6
Joules, 4 mA, 76 kV for 1 hour.
IEC 601-1-3
Leakage radiation was measured at the following
loading factors.
750mA, 76 kV for 1 hour. IEC 601-1-3
Focal spot to Image Receptor distance 58.1 cm IEC 601-1-3
Attenuation equivalence of patient support table. 0.7 mm Al IEC 601-1-3
Table H-1: X-ray generator technical information. (continued)