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PDM 501™
PDM 501™
Power distribution monitor used with fission chamber for in-core neutron flux distribution monitoring in the power range.
Features
- Up to four in-core fission chambers per DSK 250™ channel
- Compatible with in-core fission chambers of various sensitivities
- High reliability of fission chamber for severe environmental conditions (temperature, pressure...)
- Individual adjustable detector supply
- No preamplifier required between detector and DSK 250 channel
- Coaxial cable to DSK 250 channel: no limitation length
- Signal filtering with adaptive time constant
- Neutron flux signal for each detector
- Linear analog outputs
- Generation of analog and binary outputs for the reactor protection system
- Built in test signal generators (remote activation possible)
- Option: DMK 250™ processing unit for average power range monitoring (for BWR applications)
Description
The power distribution PDM 501 monitor forms part of the digital Neutron Flux Monitoring Systems (NFMS) proTK™ product line. It is used, in combination with fission chamber, for in-core neutron flux distribution monitoring in the power range.
The associated DSK 250 processing unit has been designed and is qualified (in hardware and software) to meet requirements applicable at the level of the reactor protection system.
Support
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