10.2 Detector
86
10.2 Detector
The probe is designed for industrial application. It in-
cludes a scintillation counter for Gamma radiation
which is equipped with a NaI crystal or plastic scintil-
lator. The built-in microprocessor defines the configu-
ration, counts the pulse rates, controls the high volt-
age, measures the temperature of the probe and an
external Pt 100, transfers data and performs calibra-
tion and control functions. Power supply and commu-
nication take place via 2-wire technology. The probe is
ex-protected and is licensed for:
LB 44X1 : Scintillation counter with NaI (Tl) crystal 25/25, 40/35
or 50/50.
Stability : ± 0,1 %
Protection types according to ATEX:
II 2 G EEx de IIC T6
II 2 G EEx ib d II C T6
Type EX Crystal
size
mm
Weight
kg
Detector
code
LB 4421-02 X 40/35 18 0
LB 4401-03 X 50/50 18 0
LB 4405 : Scintillation counter with plastic scintillator,
long-term stability ±1 %,
sensitive lengths see table below.
Protection types according to ATEX:
II 2 G EEx de IIC T6
II 2 G EEx ib d II C T6
See also Atex Certificates on page 115.
Rod detectors with plastic scintillator
Type
Sensitive
length mm
Weight in
Kg
Detector
code
LB 4405-01W 500 11.5 22 (24)
LB 4405-02W 750 14 22 (24)
LB 4405-03W 1000 17 13 (15)
LB 4405-04W 1250 19.5 13 (15)
LB 4405-05W 1500 22 10 (12)
LB 4405-06W 2000 25 10 (12)
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