AT140 Neutron Calibration Facility

Reproduction and transfer of neutron flux density, ambient dose equivalent rate and personal dose equivalent rate units of neutron radiation during calibration, verification and testing of neutron radiation monitors and dosimeters.

  • Fast and slow neutrons field in collimated beam
  • Fast neutron field in “open” geometry using shielding cone according to ISO 8529-2
  • Drum magazine for sources in polyethylene and concrete protection at the depth of 1 m
  • Software control of source movement and moving platform positioning
  • Alarm and interlock systems, area monitors
  • Control by operator panel or personal computer with automatic calibration capability


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AT140 Neutron Calibration Facility
Source of neutrons, peak neutron flux 238Pu-Be:  5∙107 neutron/s
252Cf:  5∙108 neutron/s
Fast neutron flux density 2.5 – 3.5∙103 neutron/(s∙cm2)
Slow neutron flux density 1 – 1.4∙103 neutron/(s∙cm2)
Ambient and personal dose equivalent rates 3.5 – 4.0∙103 µSv/h
Intrinsic relative error ±5% for neutron flux density
±7% for ambient and personal dose equivalent rates
Actual values of range limits and errors are determined by calibration

Design and specifications are subject to change without notice.
For details please refer to the datasheet.


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