Instruction Manual

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 [phone]
F [phone]
Mirion Technologies (MGPI) Inc
5000 Highlands Parkway
Suite 150
Smyrna, GA 30082
USA
T [phone]
F [phone]
Mirion Technologies (MGPI H&B) GmbH
Landsberger Strasse 328a
DE-80687 Munich
Germany
T [phone]
F [phone]
Mirion Commercial (Beijing) Co., Ltd.
Shanghai Jiangchang Commercial Branch
Room 801, 78 Jiangchang SanLu
Zhabei District, Shanghai 200436
PR of China
T [phone]
F [phone]
NGM 202L
Particulate, Gas & Iodine Monitors
PHYSICAL CHARACTERISTICS
● Radiation detected: alpha, beta, gamma and tritium
● Detector: dual large differential ionization chamber
● Sampling chamber: 10 l (10000 cc) each
● Energy range: 5 keV to 8 MeV
● Typical measurement range: 10
+4
to 3.7 10
+9
Bq/m
3
(2.7 10
-7
to 10
-1
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 (processing unit): 25 Gy (2.5 10
+3
rad)
PNEUMATIC CHARACTERISTICS
● Standard  ow rate: 35 l/min (1.24 scfm)
● Pressure drop: according to the  lter dust loading
MECHANICAL CHARACTERISTICS
● Dimensions: 1354 mm x 825 mm x 440 mm
(53.3 in x 32.5 in x 17.3 in)
● Weight: ~ 96 kg (~ 212 lb)
● Color: gray RAL 7030 (decontaminable paint)
● Inlet tube connection: Ø 12 mm OD (1/2 in)
● Outlet tube connection: Ø 25.4 mm OD (1 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
● Pumping unit
● With or without RS485 junction box
● Monitor wall or  oor mounting plate
ACCESSORIES
● Calibration tools
● Software
● USB converters
● Dust  lter holder
● PIS sampler
www.mirion.com
144766EN-E