D. Glossary FLIR Detection
3
He Detector
A device to detect thermal ÚNeutrons (ÚNeutron Detection) consisting of a tube illed with
3
He and other gases under high pressure in a strong electric ield. Incident neutrons react
with the helium yielding an electrical charge in the gas which can be detected similar as in a
ÚGeiger–Müller Tube.
HPGe
High-Purity ÚGermanium.
HPRDS
Human Portable Radiation Detection System
HTTP
ÚHypertext Transfer Protocol
Hypertext Transfer Protocol (HTTP)
A networking protocol for distributed, collaborative, hypermedia information systems, es-
sential for data communication in the World Wide Web.
IANA
ÚInternet Assigned Numbers Authority
International Organization for Standardization
ÚISO
International System of Units
ÚSI
Internet Assigned Numbers Authority (IANA)
An organization responsible for the allocation of globally-unique names and numbers that
are used in Internet protocols.
Internet Protocol (IP)
A protocol used for data communication between devices in a network.
Intrinsic Activity
The inner ÚActivity of a radiation instrument, without contribution from the environment
or other sources.
Ion A ÚNucleus whose number of ÚElectrons differs from the number of ÚProtons resulting in a
net negative or positive electric charge.
Ionizing Radiation
ÚParticle Radiation or ÚElectromagnetic Radiation energetic enough to detach ÚElectrons
from atoms or molecules, thus converting them to ÚIons.
276 identiFINDER
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R300/en/2014.4(13623)/Feb2015