Mirion Technologies DAK 250 - Manual (Page 2)

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
DAK 250
Neutron Flux Instrumentation
www.mirion.com
144966EN-C
DETECTORS AND PREAMPLIFIERS
●
Pulse detectors for DAK 250-i:
○
BF3- or He3-counter tubes
○
B10-proportional counters
○
Fission chambers in pulse mode
●
Pulse preamplifi er NV 320:
○
Input and output impedance matched to the
impedance of the cables
○
Remote pulse generator for testing
●
Ionisation chambers for DAK 250-g: compensated or
non-compensated
●
Current-to-frequency-converter NV 102H: 10 decades
of measuring range
●
Detector supply 0 ... 0.5/1/2/4 kV located in the
central electronic unit
DIGITAL SIGNAL PROCESSING
●
80C31/32 multi-processor system
●
Program memory: EPROM
●
Parameter memory: CMOS-RAM with integrated
Li-battery
●
Data interface: RS 232 and/or RS 485
●
Internal LC-display: 2 x 16 characters
OUTPUT SIGNALS
●
Linear and/or logarithmic count rate or neutron fl ux
●
Neutron fl ux change rate = 1 / reactor period to be
confi gured, e.g. -1.25 ... 0 ... 12.5 %/s corresponding
to -80 ... ∞ ... +8 s reactor period
●
Analog outputs: 0/4 ... 20mA/600 Ω, insulated
●
Binary outputs: insulated relay change overs,
60V/0.5A or 125V/1A
●
Optional: reactimeter on a single additional interface
board NK 21
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)
DAK 250
Schematic diagram