Chapter 4 Instrument Description
Mini-Switch LB 471
4.3.2 NaI Detector
The detector material is an artificially manufactured and specially
dotted NaI crystal. Different crystal sizes are available, depending
on the required sensitivity.
Installed in a sturdy stainless steel case, the detector is protected
from normal environmental strain which may occur in industrial
applications.
0 standard temperature range
1 enhanced temperature range
11 50/50 NaI point detector
12 50/50 NaI point detector + water cooling
1A 50/60 polymer
1B 50/60 polymer + water cooling
2A 500 mm
2B 500 mm
2E 1000 mm
2F 1000 mm
2I 1500 mm
2J 1500 mm
2K 2000 mm
2L 2000 mm
0 without
a axial
r sidewise
ATEX/IEC
Ex; Ex-d/i/t
00 without Ex approval
1A ATEX/IECEx; Ex-d/e/t
IA ATEX/IECEx; Ex-d/i/t
ATEX/IECEx; Ex-d/i/t
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