Featuring:
radiation monitoring
systems
A Mirion Technologies Division
PRELIMINARY
SB 40/150
Detectors
SB 40/150
Plastic Scintillators
The scintillation detectors SB 40 and SB 150 have
been developed for monitoring for beta activity accor-
ding to the KTA standards 1502 and 1503 in safety
related applications.
In the disc shaped scintillator ionizing radiation
generates light pulses, which are converted and
ampli ed into charge pulses by the photo multiplier.
The sensitivity to gamma radiation is low because of
the thin layer of scintillating material. An adjustable
pulse ampli er offers calibration of the sensitivity and
matching of the output pulses to the impedance of
the detector cable.
APPLICATIONS
• Monitoring of beta activities of noble gases and
airbone particles
FEATURES
● Wide measuring range
● Low gamma sensitivity
● Built-in pulse ampli er and buffer
Since norms, speci cations and designs are subject to occasional change, please ask for con rmation of the information given in this publication.
Mirion Technologies (MGPI) SA
Route d’Eyguières
FR-13113 Lamanon
France
T +33 (0) 4 90 59 59 59
F +33 (0) 4 90 59 55 18
Mirion Technologies (MGPI) Inc
5000 Highlands Parkway
Suite 150
Smyrna, GA 30082
USA
T +1 770 432 2744
F +1 770 432 9179
Mirion Technologies (MGPI H&B) GmbH
Landsberger Strasse 328a
DE-80687 Munich
Germany
T +49 (0) 89515 13-0
F +49 (0) 89515 13 169
Mirion Commercial (Beijing) Co., Ltd.
Shanghai Jiangchang Commercial Branch
Room 801, 78 Jiangchang SanLu
Zhabei District, Shanghai 200436
PR of China
T +86 21 6180 6920
F +86 21 6180 6924
SB 40/150
Detectors
TECHNICAL DATA
-
EXAMPLE OF APPLICATIONS
www.mirion.com
145024EN-2
Properties SB 40 SG 150
with measuring vessel RSD 200,
lead shielding RSA 310 (if applicable), U
discr
= -100 mV
with measuring vessel RSD 275 and
lead shielding RSA 482 RSA 482,
U
discr
= -150 mV
Calibration factor for betas
Measuring range
Background
Gamma sensitivity
Kr-85
Xe-133
Kr-85, 5 cm lead shielding
Xe-133, 5 cm lead shielding
in 5 cm lead shielding
Cs-137
3e4 Bq/m3 s-1 ±10%
4.4e4 Bq/m3 s-1 ±20%
5e3 … 5e9 Bq/m
3
1e4 … 1e10 Bq/m
3
0.4 s
-1
8.5 s-1 /μGy/h, without shielding
4.4e3 Bq/m3 s-1 ±20%
8.1e3 Bq/m3 s-1 ±20%
2e3 … 5e8 Bq/m
3
3.37e3 … 1e9 Bq/m
3
2.5 s
-1
0.2 s-1 /μGy/h, with 5 cm lead
Output signal
Pulse width
Detector voltage
Supply voltage
0 ... -5V at 50 Ohms
0.7 μs approx.
1000 V, <0.15 mA
14.25 ... 25 V, 30 mA approx.
0 ... -5V at 50 Ohms
0.6 μs approx.
1200 V, <0.25 mA
14.25 ... 25 V, 30 mA approx.
Scintillator
Detector housing
Light-tight cover foil
Magnetic shielding
Material; Ø; thickness KL236; Ø 50 mm; 0.5 mm
Aluminium, Brass
Aluminium, 9 μm
μ-metal
NE102A; Ø 150 mm; 0.5 mm
Aluminium, steel
Aluminium, 12 μm
μ-metal
Connectors
Cables
Fischer S105 A 06093
TKK 05
Fischer S105 A 06093
TKK 05
Temperature range
Ambient pressure
Dimensions
Weight
Ø (Flange) x L without
connector
without connector
0 … +50°C (+32 ... +122°F)
0.7 … 2 bar
65 (90) × 310 mm
(2.5 (3.5) x 12.2 in)
1.5 kg (3.3 lb) approx.
0 … +50°C (+32 ... +122°F)
0.7 … 1.25 bar
150 (232) × 382 mm
(5.9 (9.1) x 15 in)
4.6 kg (10.1 lb) approx.
Beta particulate
monitor AD 24
with SB 40
Noble gas
detector assembly
with SB 40
Detector SB 40 with
Plastic scintillator Ø 50mm
Measuring vessel RDS 200 approx.
1ltr
Lead shielding RSA 310 50mm
Remote check source TKA 61 Sr-90
Remote check source TKA 61 Sr-90
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