General
1-4
1.11 ESSENTIAL PERFORMANCE
a) The error in the indicated value of the X-ray tube voltage, in any combination of
loading factors, shall be not greater than 10%.
b) The error in the indicated value of the X-ray tube current, in any combination of
loading factors, shall be not greater than 20%.
c) The error in the indicated value of the X-ray tube loading time, in any combination
of loading factors, shall be not greater than ± (10%+1ms).
d) The error in the indicated value of the X-ray tube current time product, in any
combination of loading factors, shall be not greater than ± (10%+0.2mAs).
e) The coefficient of variation of measured values of air kerma shall be not greater
than 0.05 for any combination of loading factors.
【Warning】
Despite X-ray harm to humans, the X-ray device will not result in any
danger provided that the operation is correct. Please ensure to meet
safety requirements of the operation. Read each section
of the manual carefully, and fully understand the safety and
operational requirements.
【Warning】
If repair and
maintenance for the X-
ray device is not performed
in accordance with manufacturer’s requirements, or if there is any
unauthorized alteration of any form, the manufacturer
responsible for any patient or user injury (including over exposure to
X-ray radiation.
【Warning】
The duties of the operator are to ensure patient safety during X-ray
device running through visual observation, reasonable posture
placement and
actions that intend to prevent patient against injury.
To avoid danger of leakage.
No modification of this equipment is
allowed.
【Warning】
To avoid the risk of electric shock, this equipment must only be
connected to a supply mains with protective earth.
To Next Page
Loading...