Vatech EzRay Chair, User Manual

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0. Appendix
58 EzRay Chair (VEX-S300C) User Manual
A.3 X-ray Dose Data
The X-ray dose data is extracted from the X-ray Dose Test Report for the EzRay Chair
(VEX-S300C). The IEC collateral standards have measured the X-ray doses of EzRay
Chair (VEX-S300C) in the test report. The EzRay Chair (VEX-S300C) has been
designed by Part 1. General Requirements for Safety, IEC 60601-1-3.
Test Condition
Model Name EzRay Chair (VEX-S300C)
Tube Model Name V1-650304
Generator Model Name DG-S0102V1 (Inverter type)
Loading Factor 65 kV, 3.0 mA
A.3.1 X-ray Dose Table
Test Equipment
Instrument Manufacturer Model S/N
Multi Dose Meter UNFORS
Unfors Xi
R/F&MAM
161834
Dose Table (65 kVp, 3.0 mA, FOV: Ø 6 cm, SSD 200 mm, at Al 6 mm)
t (s) Dose ( μ Gy)
0.18 116
0.20 128
0.22 141
0.23 148
Dose Area Product (DAP) Table (65 kVp, 3.0 mA, SSD 200 mm)
FOV: Ø 6 cm FOV: 4 x 3 cm FOV: 2 x 3 cm
t (s) Dose (mGy.cm 2 )
0.05 2.63 1.12 0.56
0.08 4.71 2.00 1.00
0.10 6.09 2.59 2.29
0.15 9.55 4.06 2.03
0.20 13.01 5.53 2.76
0.25 16.47 6.99 3.50
0.30 19.93 8.45 4.23