User guide

proTK™
Neutron Flux Instrumentation
NEUTRON FLUX RANGES
The tables show the combinations of detectors and signal processing electronics for the different types of reactors
and the usual ranges:
Type of
Reactor
Neutron Flux Range Code Detector Signal Processing
Electronics
Quantities
Position Type
Pressurized water reactor
(PWR) & research reactors
Start-up
range
Pulse
range *
SRM
Ex-core
B10- or BF3-
proportional
counter
Start-up Channel
DAK 250-i
2 ... 3
channels *
Intermediate
range *
IRM Compensated
ionization chamber
KNK 50 SAC
Start-up Channel
DAK 250-g
2 ... 4
channels *
Wide range WRM Excore
wide-range
 ssion chamber
Wide Range Channel
DWK 250
3 ... 4
channels
Power
range
Power range PRM Non-compensated
ionization chamber
KNU 50
Power Range Channel
DGK 250
8 ... 16
detectors,
4 DGK
Flux
distribution
monitoring
In-core
SPN-detector Power Distribution
Channel DLK 250
24 ... 48 det.
3...6 DLK
Boiling water reactor
(BWR)
Start-up
range
Pulse
range *
SRM
In-core
Pulse mode
 ssion chamber
Start-up Channel
DAK 250-i
3 ... 4
channels *
Intermediate
range *
IRM AC mode
 ssion chamber
Wide Range Channel
DWK 250
3 ... 4
channels *
Wide range WRM Wide range
 ssion chamber
Wide Range Channel
DWK 250
3 ... 4
channels
Power
range
Local
power range
LPRM DC mode
 ssion chamber
Local Power Range
Channel DSK 250
80-192
detectors,
20-48 DSK
Average
power range
APRM - (Signals of all
DSK 250)
Average Power Range
Channel DMK 250
3 ... 4
channels
Measuring ranges
of the neutron fl ux
instrumentation.
Example for the
PWR
* may be replaced by wide range Sensing Systems Radiation Monitoring Systems
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