System Safety: X-Ray Safety
American Science and Engineering, Inc.
2-10
MINI
Z
Operator Manual 342-9000-1 Rev. B ECCN EAR99
2.7.4
Calibration Dock
Calibration and Warmup of the system require the generation of X-rays. Whenever performing these
functions, the Calibration Dock is required to receive the scanning surface of the scanner unit. The
Calibration Dock has two critical safety features:
•
Collar
– The indented area on the top of the Calibration Dock is specifically designed to entrap
any stray radiation. Always ensure the Scanner is fully inserted into the Calibration Dock.
•
Beam Blocker
– The interior of the Calibration Dock contains a dense shield that prevents the
X-rays from penetrating the Dock. Ensure that only a Dock with black metal frame is used with the
120kV system. (The Docks with silver metal frame are designed for the 70 kV systems only.)
Figure 2-7: Calibration Dock application. (1) The MINI Z face is the section at the
front of the scanner. (2) Alignment collar in the dock. Place the dock on a horizontal
surface, with the four mounting feet downward. (3) Seat the Scanner Unit face down
into the dock, making sure the front face of the face rests uniformly against the inside
of the dock mounting collar.
3
1
2
WARNING
X-rays penetrate solid objects. It is good practice never to place personnel or hands
or feet in the path of the X-ray beam. This includes when using the Calibration
Dock. In particular, when placing the Calibration Dock on a work table, personnel
should not sit at the table, so the legs and feet of the operators cannot be exposed
to any potential for stray radiation.
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