FLIR identiFINDER R300 - Page 284

D. Glossary FLIR Detection
Also known as: Radiological Dispersal Device, Dirty Bomb
Radionuclide
A radioactive ÚNuclide.
Railway Time
Ú24-Hour Clock
RDD ÚRadiological Dispersion Device
Reachback
The process of transmitting information from a ield deployed instrument to a lab or other
facility for further analysis.
Reactor-Grade Plutonium (RGPu)
Reactor-Grade Plutonium is a special mixture of
239
Pu,
240
Pu and other ÚIsotopes, which
contains ≥19 %
240
Pu.
240
Pu has a high rate of spontaneous ission leading to an increased
number of ÚNeutrons and bears the risk of premature starting chain reactions. Further
grades are ÚFuel-Grade Plutonium and ÚWeapons-Grade Plutonium.
Real Time (RT)
The real or total time of a detection system comprises the ÚLive Time and the ÚDead Time.
Also known as: Total Time, True Time
Region of Interest (ROI)
A selected subset of samples within a ÚSpectrum identiied for a particular purpose.
rem ÚRöntgen Equivalent in Man
Remote Network Driver Interface Specication (RNDIS)
A Microsoft-proprietary protocol providing a virtual Ethernet connection used mostly via
ÚUSB.
Resolution
In spectroscopical application, the resolution gives a useful measure to estimate how well
two or more ÚPeaks can be distinguished. It is consequently deined as the width of a peak
– usually the most prominent line at 661.65 keV of
137
Cs. Because there are various ways to
judge a peak width, it is a convention to use the ÚFull Width at Half Maximum.
RGPu
ÚReactor-Grade Plutonium
RID ÚRadionuclide Identifying Device
RNDIS
ÚRemote Network Driver Interface Speciication
ROI ÚRegion of Interest
284 identiFINDER
®
R300/en/2014.4(13623)/Feb2015