Mirion Technologies GMP-15-3 User Manual
health physics
A Mirion Technologies Division
GMP-11-3 & GMP-15-3 External Probes
for RDS-31S/R Survey Meter
FEATURES
complete range of smart probes to enhance the •
detection capabilities of the RADOS RDS-31S/R survey
meters
remote pulse rate measurements•
converts the meter into contamination monitor•
sensitive for low levels of alpha, beta and gamma •
radiation
for general contamination and frisking•
optional telescopic rod•
cord lengths up to 15 meters upon request•
GMP113 & GMP153
External Probes for RDS-31S/R survey meter
These external probes enhance the detection
capability of the RADOS RDS-31 survey meter .They
have been designed to ful ll both the civil defense
and industrial applications requirements.
The GMP-11-3/15-3 probes are intended for
monitoring alpha, beta, gamma and X-ray
radiation. The GMP-11-3/15-3 is used as
external probe for the RDS-31S/R Multi-Purpose
Survey Meter . The GMP-11-3/15-3 probe is con-
nected to an external binder connector interface at
the bottom of the RDS-31.
The probe can be attached to or removed o the
meter without any need to switch o the meter rst.
The RDS-31 automatically recognizes the connected
external probe type and switches to corresponding
display unit.
If the RDS-31 meter is switched o when the probe
is connected to it, the probe is detected by the me-
ter at the start-up when the meter is switched on.
The probes can be used as hand-held or as xed
probes.
www.mirion.com
Mirion Technologies (MGPI) Inc
5000 Highlands Parkway
Suite 150
Smyrna Georgia 30082
USA
T +1.770.432.2744
F +1.770.432.9179
Mirion Technologies (MGPI) SA
BP 1
F-13113 Lamanon
France
T +33 (0) 4 90 59 59 59
F +33 (0) 4 90 59 55 18
Mirion Technologies (RADOS) Oy
P.O. Box 506
FIN-20101 Turku
Finland
T +358 2 4684 600
F +358 2 4684 601
Mirion Technologies (RADOS) GmbH
Ruhrstrasse 49
D-22761 Hamburg
Germany
T +49 40 85193 0
F +49 40 85193 256
GMP-11-3 & GMP-15-3 External Probes
for RDS-31S/R Survey Meters
20996306_GMP11-3_15-3_EN_B
TECHNICAL SPECIFICATIONS:
GMP-11-3 External Beta Probe
radiation detected: gamma-, beta- and alpha-rays•
energy range: gamma > 6 keV, beta•
Emax
> 100 keV, and alpha > 2 MeV
detector type: halogen quenched GM tube (type ZP 1430 or equivalent)•
measurement range: 0 - 10 000 cps•
end window active area: 6.1 cm•
2
( 2.4 in2) window thickness 1.5-2 mg/ cm
2
sensitivity: 1.0 cps for uniform •
90
Sr/90Y source of 0.37 Bq/cm
2
binder connector, cord length 2000 mm ( 78.7 in)•
max dead time: 230 µs•
self count rate: 25 cpm•
temperature range: operation: -25°C to +55°C (-13°F to +131°F), storage: -40°C to +70°C •
(-40°F to +158°F)
humidity: 0 - 95% relative humidity, non-condensing•
dimensions: length 140 mm (5.51 in), max diameter 44 mm (1.73 in) (two co-centric cylinders)•
weight: 340 g (0.75 lb)•
EXT= External detector is present
GMP-15-3 External «Pancake» Beta Probe
radiation detected: gamma-, beta- and alpha-rays•
energy range: gamma > 6 keV, beta•
Emax
> 100 keV, and alpha > 2 MeV
detector type: halogen quenched GM tube (type 7312 or equivalent)•
measurement range: 0 - 10 000 cps•
end window active area: 15.5 cm•
2
(6.1 in
2
); window thickness: 1.5 - 2 mg/cm
2
sensitivity: 2.8 cps for uniform •
90
Sr/90Y source of 0.37 Bq/cm
2
binder connector, cord length 2000 mm (78.7 in)•
max dead time: 40 µ •
self count rate: 30 cpm•
temperature range: operation: -25°C to +55°C (-13°F to +131°F); storage: -40°C to +70°C •
(-40°F to +158°F)
humidity: 0 - 95% relative humidity, non-condensing•
“pancake” dimensions: 61 x 80 x 20 mm (2.4 x 3.14 x 0.78 in) total probe length 295 mm (11.6 in)•
weight: 540 g (1.19 lb) •
EXT= External detector is present
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