Endress+Hauser FQG66, Руководство по эксплуатации

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Maintenance Source container FQG66
32 Hauser
8.2.2 Wipe test
The capsule enclosing the radiation source must be checked for leaks at regular intervals.
The frequency of the leak tests must correspond to the intervals specified by the authority
or handling authorization.
NOTICE
Leak test
A leak test is not only required as part of routine checks but must also be performed
whenever an incident occurs that may impair the casing around the radiation source. In
such cases, the leak test must be arranged by the competent radiation safety officer, with
due consideration to the applicable regulations. The leak test must comprise both the
source container and all other affected parts of the process vessel and must be performed
as quickly as possible after the incident. The leak test procedure described below is
intended for the following situations:
‣
For routine tests during continuous operation
‣
When the source container has been in storage for an extended period
‣
When the source container is to be put back into operation after storage
Leak test procedure
Leak tests must be performed by a person or an organization authorized to provide leak
test services, or using a leak test kit. Leak test kits must be used according to the
manufacturer's instructions. Records of the leak test results must be retained.
Unless otherwise instructed, perform the leak test as follows: