health physics
A Mirion Technologies Division
GMP-12-3/12H-3 /12L-3 External Probes
Portable Survey Meters
FEATURES
compatible with RADOS RDS-31 survey meter•
remote dose rate measurements•
optional telescopic rod•
GMP-12H extends measurement range of RDS-110•
cord lengths up to 15 meters upon request•
GMP123, GMP12H3 & GMP12L3
External Gamma Probes
These External Probes enhance the detection
capability of the RDS-31 survey meter.
The GMP-12-3, GMP-12H-3 and GMP-12L-3 probes
are intended for monitoring gamma and X-ray
radiation.
They have been designed to ful ll both the civil de-
fense and industrial applications requirements.
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
GMP12-3/12H-3/12L-3 External Probes
Portable Survey Meters
20996375_GMP12-3_12H-3_12L-3_EN_A
TECHNICAL SPECIFICATIONS:
GMP-12-3 External High Dose Rate Gamma Probe
radiation detected: gamma and x-rays, according to ambient dose equivalent H*(10).•
energy range: 50 keV - 3 MeV for dose rate range 0.05 µSv/h - 10 mSv/h, and •
80 keV - 3 MeV for dose rate range 10 mSv/h - 10 Sv/h.•
detector type: two halogen quenched, energy compensated GM tubes (types ZP 1202 and ZP 1304 •
or equivalent).
dose measurement range: 0.01 µSv - 10 Sv.•
dose rate measurement range: 0.05 Sv/h – 10 Sv/h.•
Calibration accuracy: 5% of the reading in 3 mSv/h Cs-137 exposure at +20C.•
energy response: -20% … +30% over energy range 80 keV - 1.25 MeV,•
also the same over energy range 50-80 keV when dose rate below 10 mSv/h,•
(+95% at 6 MeV).•
temperature range: Operation: -40°C to +55°C.•
storage: -40°C to +70°C.•
enclosure class IP 67 (short term).•
dimensions: Length 185 mm, cylinder diameter 45 mm.•
weight: 400 g.•
GMP-12 H-3 External High Dose Rate Gamma Probe
radiation detected: gamma and x-rays, according to ambient dose equivalent H*(10)•
energy range: 80 keV - 1.3 MeV•
detector type: halogen quenched, energy compensated GM tube (type ZP 1304 or equivalent)•
dose measurement range*: 1 μSv – 10 Sv•
dose rate measurement range*: 0.1 mSv/h – 10 Sv/h•
calibration accuracy: ±5% of the reading in 3 mSv/h •
137
Cs exposure at +20°C (68°F)
energy response: ±15% over energy range 80 keV – 1.3 MeV, (+95% at 6 MeV)•
temperature range: operation: -40°C to +55°C (-40 to 131°F) storage: -40°C to +70°C (-40 to 158°F) •
dimensions: length 185 mm (7.28 in), cylinder diameter 45 mm (1.77 in)•
weight: 370 g (0.81 lb),standard cord lenght 2 m ( 78,74 in)•
GMP-12 L-3 External Low Dose Rate Gamma Probe
radiation detected: gamma and x-rays, according to ambient dose equivalent H*(10)•
energy range: 50 keV - 1.3 MeV•
detector type: halogen quenched, energy compensated GM tube (type ZP 1202 or equivalent)•
dose measurement range: 0.01 μSv - 10 Sv•
dose rate measurement range*: 0.05 μSv/h – 100 mSv/h•
calibration accuracy: ± 5% of the reading in 300 μSv/h •
137
Cs exposure at +20°C (68°F)
energy response: ±30% over energy range 50 keV - 1.3 MeV, (+95% at 6MeV)•
temperature range: operation: -40°C to +55°C (-40°F to 131°F); storage: -40°C to +70°C (-40°F to •
158°F)
dimensions: length 185 mm (7.28 in), cylinder diameter 45 mm (1.77 in)•
weight: 380 g (0.83 lb), standard cord lenght 2 m ( 78,74 in)•
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