The NASRAMS system is a shipboard radiation monitoring system that provides continuous real-time radiological information on board military vessels/vehicles. It provides detection and measurement of prompt gamma and prompt neutron dose, along with residual gamma dose rates. A NASRAMS system is typically comprised of the following components:
Key Functionality of Main Indicating and Alarm Unit (Control Panel)
Key Features of Remote Radiological Detectors /Detector Probe Assemblies
Conduct of Radiological Test Exercises
Realistic training exercises are readily available with the NASRAMS system to insure competent and effective crew performance in the event of a radiological emergency. The programmable radiation simulation functionality includes time variable simulated radiation levels (including statistical fluctuation) such that the training exercise will accurately depict a real life radiation environment. Exercises are uploaded to the Main Indicating and Alarm Unit by way of a Smart Card which is pre-programmed by the training officer using Simulation Editor Software. The start and finish time of the exercise, as well as the radiation readings as a function of time can all be pre-selected by the Training Officer to reflect almost any type of residual radiation event.
Reliability and Maintainability
The NASRAMS system reflects a high level of reliability and ease of maintenance. This is required in order to keep the life cycle cost of the equipment at a low level and more important, to ensure that the system is capable of performing its intended function 99.99% of the time. A NASRAMS system is derived from the military qualified AN/UDR-13™, AN/UDR-14™, AN/UDR-15™ Radiac Sets (Pocket Radiacs) that were developed by Aptec-NRC, now Mirion, under contract to the US Army. A range of testing documentation for the NASRAMS system is also available to confirm suitability for military use.
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