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

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)