RadEye PRD-ER
DB-066 E
4-5
Iw/Tr/Ff 06.07.2015
4.6
Process description for detection of radiation
sources.
Direction of maximum response
To detect hidden radiation sources, it is necessarily to use the
count rate mode. Thus the instrument reacts much more quick-
ly to suddenly changing pulse rates than the dose rate mode.
The value set for the alarm threshold is either a fixed alarm
threshold being slightly higher than the occurring display val-
ues observed over a longer period of time or a sigma thresh-
old, amounting to 5 to 6 sigma according to the false alarm
frequency desired. Subsequently, the operator passes the ob-
ject while keeping thereby the distance between the monitor
and the object to be checked as small as possible.
Содержание RadEye PRD-ER
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