User 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]
RMS 250
Radiation Monitoring
www.mirion.com
144982EN-B
SIGNAL PROCESSING CHANNELS for different
applications:
DPK 251 Digital Pulse Channel for dose rate and
activity monitoring with 2 or 4 signal paths
DFK 251 Digital Filter Channel for particulate and
iodine monitors
DEK 251 Digital E uent Monitoring Channel e.g.
for post accident monitors
DAK 250 Digital Start-up Channel for applications in
category A
INPUT SIGNALS
● Detector pulses: > 30 ns up to 5e6 cps
● 5V standard pulses: >1 µs up to 4e5 cps
● DC currents: from 0.1 pA to 1 mA
● Analog signals: 0/4 ... 20 mA
● Binary signals:
○ 24V-logic, contacts, NAMUR-Sensors
● Detector supply:
○ 0 ... 1 kV, 2 mA or 0 ... 2 kV, 1 mA or 0 ... 4 kV, 0.5 mA
POWER SUPPLY
● 18 ... 33 VDC, approx. 1.6A at 24 VDC or
● 230 VAC or 115 VAC +10%/-15%; 48...62 Hz,
approx. 40 VA
OUTPUT SIGNALS
● Linear or logarithmic analog outputs:
○ Measuring range to be adjusted with parameters
○ 0 ... 10 V internal, optional analog indicator
○ 0 or 4 ... 20 mA, 0 ... 600 Ω load,  oating
● Up to 20 different alarms, adjusted by parameters:
○ Low or high alarm to be selected for all variables
○ Threshold and hysteresis adjustable
● Binary outputs, e.g. for alarms, status signals
relay change overs, 60V/0.5A or 125V/1A
ENVIRONMENTAL CONDITIONS
● Ambient temperature (modules): 0 ... 70°C
(32 ... 158°F)
● Storage temperature: -30 ... 85°C (-22 ... 185°F)
● Humidity: < 95%
● Seismic conditions: ≤5 g, 5 ... 100 Hz
● Mechanical stress: ≤30 g, 11 ms
MECHANICAL CONSTRUCTION
● 19” modular system according to IEC 60297
● Printed board size: 100 mm × 160 mm (3.9 in x 6.3 in)
● Front panels: 20 mm × 128 mm (0.8 in x 5 in)
or multiples
● Rack size (W×H×D): 483 mm × 133 mm × 280 mm
(19 in x 5.2 in x 11 in)
½-19” wall mount housing
19”-6U wall mount housing