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]
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 preampli 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  ux at top and bottom position, individually
calibrated
● Average neutron  ux, calibrated to reactor power,
e.g. 0 ... 125 %Pn
● Neutron  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)