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1.5
TECHNICAL SPECIFICATIONS
Weight of exposure device
Delta 52lb (24kg), Sigma 52lb (24kg)
Elite 42lb (19kg).
Weight of depleted Uranium shield
Delta 34lb (15.4kg), Sigma 34lb (15.4kg)
Elite 25lb (11.4kg).
Activity of depleted Uranium shield
Delta 5.4mCi (200MBq)
Sigma 5.4mCi (200MBq)
Elite 3.8mCi (141MBq).
Construction
A depleted Uranium (DU) shield is encased within a welded tubular stainless steel shell with
stainless steel end plates. The interior void space is filled with rigid polyurethane foam.
The exposure device body is encased in an engineered plastic jacket also consisting of the
handle and a base.
Materials
Titanium ‘S’ tube, DU shield, 300 series stainless steel tubular shell and plate, aluminum,
brass, tungsten and polyurethane.
Maximum capacities
Delta 150Ci (5.55TBq), Sigma 130Ci (4.81TBq), Elite 50Ci (1.85TBq) of Ir-192.
Inspection requirements
Daily pre-operational inspection for obvious damage to the system.
Maintenance requirements
Most national regulations require inspection and maintenance of the system at
quarterly intervals. The complete annual servicing ensures the integrity of the system.
Shorter frequencies of inspection and maintenance are required when the system is
operated under severe operating environments. In some cases, the system should be
serviced immediately after certain jobs in severe environmental working conditions.
Operating temperature range
-40°F to 300°F (-40°C to 149°C)
Source assembly
USNRC Model Number: A424-9 source assembly with a doubly encapsulated Ir-192 sealed
source. The IAEA/USDOT Special Form Certificate number is USA/0335/S. Optional isotopes
that may be utilized in the Model 880 exposure devices are listed in this section.
NOTICE
This industrial radiography system is used as an exposure device and a Type B(U) shipping
container for AEA Technology QSA, Inc. source assemblies. The purpose of this manual is
to provide information which will assist qualified radiographers in using the Model 880
Delta, Sigma and Elite gamma radiography system. The user must be thoroughly familiar
with this instruction manual before attempting operation and use of this equipment.
In order to use this equipment or perform source changes, users within the USA must be
specifically licensed to do so. Applications for a license should be filed with the Materials
Licensing Section of the appropriate U.S. Nuclear Regulatory Commission regional office or
with the appropriate Agreement State office. All users within Canada must have a Canadian
Nuclear Safety Commission license.
Certification
Type B(U) package,
Certification Number USA/9296/B(U)-XX
(for XX, enter either 85 or 96 according to
the package certification) and for
Canadian shipments CDN/E199/-XX
(for XX, enter either 85 or 96 according to
the package certification number).