Quantum GX2 microCT Imaging System Manual Chapter 2 | Safety, Warnings, and Radiation Hazards 13
X-Ray Dose Limits
A sample model of PerkinElmer Quantum GX2 microCT Imaging System has been tested at
maximum operating conditions. PerkinElmer has determined the local X-ray dose rate at a distance
of 5 cm from the surface of the equipment is less than 0.5 mrem/h.
PerkinElmer declares that the Product Quantum GX2 microCT Imaging System conforms to:
1996/29/Euratom Directive (Dose rate of 0.5 mrem/h at 10 cm from any accessible surface under
normal operating conditions)
US CFR21 Part 1020.40 Regulation (Dose rate of 0.5 mrem/h at 5 cm outside of the external
surface under maximum operating conditions) in accordance with the following standard:
IEC 61010-1:2001 Standard (Dose limit of 0.5 mrem/h at 5 cm from the surface of the equipment
under maximum operating conditions)
PerkinElmer certifies that Quantum GX2 microCT Imaging System has achieved the objectives of:
ICRP 60 recommendations of annual public dose limit of 100 mrem
ICRP 103 recommendations of annual public dose limit of 100 mrem
US OSHA workplace annual public dose limits of 100 mrem and other international public safety
standards and regulations
Safety Features & Safety Systems
The Quantum GX2 microCT is enclosed within shielding that limits X-ray exposure to normal
background levels. The access door to the sample chamber is provided with two safety interlocks
which cut power to the X-ray source if they are interrupted. Additionally, the door is provided with
a solenoid-activated lock that prevents the door from being opened during an imaging session when
X-rays could be generated. For reasons discussed in the warning above, it is important not to attempt
defeat of any of these safety features.
PerkinElmer will perform at least two safety tests on every system at the time of installation:
At the time of manufacturing
At the user's laboratory or facility
The safety test includes, but is not limited to, an X-ray radiation leakage test.
WARNING! Do not modify this product in ANY way. Do not drill or modify the
shielding panels in ANY way. Do not operate the instrument or turn on the source
unless all shielding is in place and is in good repair. Do not attempt to access the
electronics compartment below the imaging chamber. Operation of the instrument in
a modified condition could result in exposure to X-rays. Exposure to X-rays can cause
serious bodily injury or death. Refer all servicing to PerkinElmer technical support.
WARNING! Do not, for any reason, attempt to defeat the built-in safety interlocks
described in Safety Features & Safety Systems on page 13. Operating the Quantum
GX2 microCT Imaging System without the safety interlocks can result in exposure to
X-rays. Exposure to X-rays can cause serious bodily injury or death. Refer all servicing
to PerkinElmer technical support.
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