portable NaI gamma spec

[Lester Slaback <Lester.Slaback@NIST.GOV>]

There are at least  9 systems to pick from, depending on your needs.

BNC  (Berkeley)
Canberra
Ortec
Exploranium
SAIC
Bicron
XRF Corp (CdTe detector)
Quantrad Sensor
HP Instruments (Far West Technology)

Not all have nuclide id.
Most can store multiple spectra (but not all).
Most can dump data to a PC and some have fancy external analysis software 
(BNC, Canberra, Ortec, etc.)
Some have dose rate interpretation making them effective microrem 
instruments, both gross and for a specific radionuclide.
The HPI is by far the cheapest, but is also a bare bones unit.  Most are in 
the $8-11k range.
Some are very nice as a stand alone, sequential monitoring system (BNC, 
Exploranium)

But one should keep in mind PC based systems using an acquisition board - 
more flexible and less expensive.  And ultimately a HPGe detector may be 
want you really need if you have complex, unknown spectra.

Disclaimer:  the above are the personal musings of the author, and do not 
represent any past, present, or future position of NIST, the U.S. 
government, or anyone else who might think that they are in a position of 
authority.
Lester Slaback, Jr.  [Lester.Slaback@NIST.GOV]
NBSR Health Physics
Center for Neutron Research
NIST
100 Bureau Dr.  STOP 3543
Gaithersburg, MD  20899-3543
301 975-5810 voice
301 921-9847 fax

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