Freiberg
Instruments
GmbH
ּ Am St. Niclas Schacht 13 ּ 09599 Freiberg – Germany
65 / 78
2. 2.4 Cleaning of the measuring chamber/sample carousel
Process steps
1. Opening of the
lexsyg
housing
2. Opening of the measuring chamber
3. Cleaning of the measuring chamber by means of
special tools (e.g. long forceps)
4. Closing the
lexsyg
housing
5. Test run
duration
5 min
Typical distance to source
50 cm (eyes, body)
20 cm (hands)
Dose per handling
0.3 µSv (eyes, body)
3 µSv (hands)
Number of annual activities
40
notes
Shutter must be closed
Upon opening the measuring chamber small amount
of beta radiation may escape from the radiation
source module
The measuring chamber can just be lifted by 15 mm
in order to avoid access to the radiation source
module with bare hands
Minimize hand exposure by using appropriate tools
(step 3)
Use mobile radiation shield (10 mm acrylic glass)
and radiation protection goggles
