BERTHOLD TECHNOLOGIES LB4710-050, User Manual

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Chapter 1 General Information
Mini-Switch LB 471
10
1.3
Radiation Protection Courses

Special course in radiation protection
(Duration: 2 days)
This course is needed if the participant has not yet received any
radiation protection training. A successfully completed course
has a validity of 5 years.

Refreshing course in radiation protection
(Duration: 1 day)
All persons who have already successfully completed the spe-
cial course may refresh their special knowledge with this course
(Radiation Protection Ordinance of August 1, 2001).
A successfully refreshing course has a validity of 5 years.
1.4
Definitions
Automatic Some parameters can either be set to the automatic or manual
mode. In the automatic mode the value is calculated using a
formula. Enter -1 to enable the automatic mode. The inverted C
in the top row indicates whether a parameter has been set to
automatic.
EVU Ev aluation U nit
Edit Change value
Edit mode In this mode, a value can be changed. Not every parameter can
be changed since some parameters are only used as display
values. Editable Parameters can be set to the edit mode with
the “Enter” button. In the edit mode the cursor positioned over
a digit is flashing.
GM detector Detector with G eiger- M üller counter tube
NaI detector NaI = sodium iodine crystal = scintillator
Scintillation detectors are very sensitive to Gamma radiation.
See pages 40 and 121.
Super-Sens detector Detector which is highly sensitive to Gamma radiation with
large-volume plastic scintillator 150x150mm
See pages 43 and 125.
Limit value Count rate or percentage value upon reaching the measure-
ment level