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NGM 203S

High Range Noble Gas Monitor

The NGM 203S forms part of the RAMSYS product line. It has been developed to sample air in discharge stacks, ventilation ducts or working areas.

  • Designed for accidents and post-accident conditions
  • Durable detector without any electronic or radiation degraded component
  • 1E qualification and embedded safety related software
  • Available under 10 CFR 50 App. B, ASME NQA-1 and IEC61226 programs for safety related application


  • Post-accident operations