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PM 205S™

Beta Particulate Monitor

The PM 205S monitor forms part of the RAMSYS™ product line. 

Tag Features

  • 1E qualification and embedded safety related software
  • Available under 10 CFR 50 App. B, IEC 61226 and ASME NQA-1 programs for safety related application


The PM 205S monitor forms part of the RAMSYS product line. It has been developed to continuously measure the volumetric activity of a radioactive gaseous sample containing particulates. The sample is drawn from discharge stacks, reactor building, ventilation ducts or working areas via a pumping system. It is then admitted into a detection unit where the particulates are trapped on a filter. It is typically used for monitoring particulate volumetric activity under normal operating and mild-environment conditions. This monitor can operate as a stand alone device or in conjunction with an iodine monitor (IM 201™ monitor), and/or noble gas monitors (NGM 203™, NGM 204™, NGM 214™, NGM 216™ monitors) to form a complete monitoring system.

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