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
Since norms, speci cations and designs are subject to occasional change, please ask for con rmation of the information given in this publication.
Mirion, Mirion Technologies and MGP Instruments are trademarks and/or registered trademarks of Mirion Technologies, Inc. and/or its a liates in the United States and/or other countries.
All other trademarks are the property of their respective owners.
NGM 204L
Particulate, Gas & Iodine Monitors
PHYSICAL CHARACTERISTICS
● Radiation detected: beta and gamma
● Detector: dual large area silicon
● Sampling chamber: 300 ml (300 cc)
● Typical energy windows:
○ Beta: 80 keV to 2.5 MeV
○ Gamma: 80 keV to 2.5 MeV
● Typical measurement range:
○
85
Kr: 3.7 10
+4
to 7.4 10
+13
Bq/m
3
(10
-6
to 2 10
+3
μCi/cc)
○
133
Xe: 3.7 10
+4
to 3.7 10
+12
Bq/m
3
(10
-6
to 10
+2
μCi/cc)
ENVIRONMENTAL CHARACTERISTICS
● Long term temperature: +10°C to +40°C
(+50°F to +104°F)
● Periodic temperature: -5°C to +55°C
(+23°F to +131°F)
● MTBF: > 20 000 hours, with preventive maintenance
● TID: 100 Gy (10
+4
rad)
PNEUMATIC CHARACTERISTICS
● Standard ow rate: 35 l/min (1.24 scfm)
● Pressure drop: according to the lter dust loading
MECHANICAL CHARACTERISTICS
● Dimensions: 864 mm x 725 mm x 440 mm
(34 in x 28.5 in x 17.3 in)
● Weight: ~ 220 kg (~ 495 lb)
● Color: gray RAL 7030 (decontaminable paint)
● Inlet tube connection: Ø 12 mm OD (1/2 in)
● Outlet tube connection: Ø 12 mm OD (1/2 in)
ELECTRICAL CHARACTERISTICS
● Power supply: 230 Vac – 50 Hz or 120 Vac – 60 Hz
● Data link outputs: 1 RS232 and 2 isolated RS485
● Alarm relays: 3 SPDT relays
● I/O: 2 isolated analog outputs and 1 isolated analog
input (0/4-20 mA)
SIGNALING (Applicable to LPDU only)
● Alphanumeric display: measurement, status…
● Sound alarm: buzzer 90 dBA at 1 meter
● Visual alarm: 3 lights (red, yellow, green)
REFERENCE STANDARDS
● Nuclear: IEC60761
● EMC: 2006/95/CE and 2004/108/CE, IEC61000-6-2
and IEC61000-6-4
VERSIONS
● 230 Vac or 120 Vac
● LPDU or LPU
● With or without dust lter holder
● Pumping unit
● Monitor wall or oor xing plate
ACCESSORIES
● Calibration tools
● Software
● USB converters
www.mirion.com
144107EN-E
(2 pages)
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