Technical data
Neutron detector:
3
He proportional counter tube in PE
Moderator
Electronics: Preamplifier, discriminator, high-voltage
Fluence 26.4 cm
2
for fission neutrons
Response: 10.7 cm
2
for Am-Be
Detection limit: 75 g ex-weapons plutonium in 5s at 1m distance
(confidence interval 95%)
Neutron energy: Optimized for 10 to 1000 keV energy range
Pu-240 equivalent: 0.2 cps per g of Pu-240 in 1 m distance
Mass response:
Ambient dose 27 counts/nSv or
equivalent 0.13 μSv/h per cps for Am-Be source
response to H*(10): 68 counts/nSv or
0.05 μSv/h per cps for Cf-252 source
Dimensions: 310 mm x 180 mm x 130 mm (LxWxH)
Weight: 3850 g
Typical background: 0.06 cps
7.7 Nal Scintillation Counter Probe LB 1234
The NaI Scintillation Counter Probe LB 1234 is offering a high
γ-sensitivity in the energy range between 25 keV and 2 MeV.
This makes it the ideal device to search for and rapidly detect
radioactive sources in radiation protection, in industry, in nucle-
ar medicine, in the laboratory and at authorities. Typical appli-
cations are in the transport control, waste monitoring, border
and baggage check, the control of scrap metal, the localization
of contamination or the activity measurement. The universal
battery-powered monitor LB 134 with data storage and adjusta-
ble alarm is used as measuring and display system.
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