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Functional principle
Source
Packaging
VEGASOURCE 81 • Source holder
chemical influences. In case of large measuring ranges (e.g. with high
vessels) two or more source holders are used.
The VEGASOURCE 81 consists of the components:
1
Fig. 6: Source holder VEGASOURCE 81
1
Source holder
2
Cover (optional)
3
Transport lug
4
Mounting surface
The rays emitted by the gamma source are damped when penetrat-
ing the medium. The sensor detecting the attenuated radiation on the
opposite side of the vessel calculates the measured value from the
intensity of the radiation.
Max. activity of the sources
The following table states the max. activity of the sources. Production-
related fluctuations of the radiation activity and tolerances of the
measuring instruments are not taken into account.
Local dose rate
Country
Distance m (in)
Field (µSv/h)
Max. activity
Tab. 2: Local dose rate at standard distance
Caution:
The max. permissible activity of the source can be further limited by a
country-specific approval.
3.3
Packaging, transport and storage
Your instrument was protected by packaging during transport. Its
capacity to handle normal loads during transport is assured by a test
based on ISO 4180.
The device packaging consists of wood. This material is environment-
friendly and recyclable. Dispose of the packaging material via special-
ised recycling companies.
3 Product description
2
3
4
USA
Europe II
0.3 m (1 ft)
1 m (3.3 ft)
50
3
20 mCi
10 mCi
Europe
0.3 m (1 ft)
3
1 mCi
13
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