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Physical characteristics, Radiation detected: neutron, Detector: he3 proportional counter – Mirion Technologies NIM 201K User Manual

Page 2: Energy range: 2.5 10, Thermal) to 16 mev, Typical measurement range: 10, Measurement capability: 10, Rad), Tid (detector): 5 10, Gy (5 10

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Since norms, specifi cations and designs are subject to occasional change, please ask for confi 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

NIM 201K

Gamma & Neutronic Monitors

PHYSICAL CHARACTERISTICS

Radiation detected: neutron

Detector: He3 proportional counter

Energy range: 2.5 10

-8

(thermal) to 16 MeV

Typical measurement range: 10

-6

to 0.1 Sv/h

(10

-4

to 10 rem/h)

Measurement capability: 10

-7

to 0.3 Sv/h

(10

-5

to 30 rem/h)

ENVIRONMENTAL CHARACTERISTICS

Long term temperature:

+10°C to +40°C (+50°F to +104°F)

Periodic temperature (processing unit):
-5°C to +55°C (+23°F to +131°F)

Periodic temperature (detector):
-5°C to +70°C (+23°F to +158°F)

MTBF: > 20 000 hours

TID (processing unit): 100 Gy (10

+4

rad)

TID (detector): 5 10

+3

Gy (5 10

+5

rad)

Protection index: IP65 and IK07

MECHANICAL CHARACTERISTICS

Dimensions:

Processing unit: 390 mm x 196 mm x 187 mm
(15.3 in x 7.7 in x 7.3 in)

Detector: 817 mm x 312 mm x 310 mm
(32.2 in x 12.3 in x 12.2 in)

Weight:

Processing unit: 8.5 kg (18.7 lb)

Detector: ~ 31 kg (~ 68.3 lb)

Color: gray RAL 7030 (decontaminable paint)

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: IEC61005 and IEC61322, ICRU 57

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 RS485 junction box

Detector cable length: 2 m (6.5 ft) to 5 m (16.4 ft)

Junction box cable length: 2 m (6.56 ft), 5 m (16.4 ft)
or 10 m (32.8 ft)

ACCESSORIES

Calibration tools

Software

USB converters

www.mirion.com

144423EN-E