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Detectors and input signals, No external preamplifi ers, Neutron fl ux deviation between top and bottom – Mirion Technologies DGK 250 User Manual

Page 2: Mechanical vibrations: < 5 g, 5 hz

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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

DGK 250

Neutron Flux Instrumentation

www.mirion.com

144967EN-C

DETECTORS AND INPUT SIGNALS

Boron coated ionization chambers (compensated or
non-compensated) e.g. KNU 50 or KNK 50

No external preamplifi ers

Cable to the DGK 250: coaxial cable, no limitation of
length

Detector supply 0 ... 1 kV located in the central
electronic unit

Selectable ranges of input signals 0 ... 10/20/50 μA

DIGITAL SIGNAL PROCESSING

80C31/32 multi-processor system

Program memory: EPROM

Parameter memory: CMOS-RAM with integrated
Li-battery

Data interface: RS232 and/or RS485

Internal LC-display: 2 x 16 characters

OUTPUT SIGNALS

Neutron fl ux at top and bottom position, individually
calibrated

Average neutron fl ux, calibrated to reactor power,
e.g. 0 ... 125 %Pn

Neutron fl ux deviation between top and bottom

Analog outputs: 0/4 ... 20mA/600 Ω, insulated

Binary outputs: insulated relais change overs,
60V/0.5A or 125V/1A

OTHER CHARACTERISTICS

DC power supply: 18 ... 33 VDC, approx. 1.6A at 24 V

Optional: AC power supply: 230 VAC or 115 VAC
+10%/-15%, approx. 40 VA

Operating temperature: 0 ... 70°C (32 ... 158°F)
for the main electronics

Mechanical vibrations: < 5 g, 5 ... 100 Hz

19” modular system according to IEC 60297

Rack size (W×H×D): 483 mm × 133 mm × 280 mm
(19 in x 5.2 in x 11 in)

Plug-in boards: 100 mm × 160 mm (3.9 in x 6.3 in)