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Fast initial alarm indication is achieved by the automatic ad-
justment of the Alarm 1 gross counting level according to the
5 – 6 sigma setting (if the set minimum value is exceeded).
Attention: Some artificial radioactive sources or combinations
of different isotpes can exhibit a ration between count rate and
dose rate that is similar to NORM. In that case message "bal-
anced" will appear once a count rate alarm is triggered.
Alarm displays with activated NBR alarm:
Medical isotopes or heavily shielded radioactive material
Radiation with energies above 600keV
e.g.: Industrial sources as Cs-137, Co-60
4-8
DB-066 E
RadEye PRD-ER
Iw/Tr/Ff 06.07.2015
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