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NGM 204S™
The NGM 204S monitor is a low range noble gas monitor sampling air in discharge stacks, ventilation ducts or working areas. Can withstand seismic conditions.
Features
- Dynamic gamma radiation compensation
- Calculation of the total released activity through a stack flow rate signal provided
- Compact and reliable
- 1E qualification and embedded safety related software
- RG 1.97 compliance
- Available under 10 CFR 50 App. B, IEC 61226 and ASME NQA-1 programs for safety related application
Description
The NGM 204S monitor from the RAMSYS™ product line has been developed to sample air in discharge stacks or ventilation ducts. The dual silicon diode detector integrated in a 4 π/5 cm (4 π/2 in) lead shielded sample volume guarantees high reliability of the measurements. The first silicon diode detects the beta/gamma radiation from sample volume and the gamma ambient radiation (background). The second one detects gamma radiation from the sample volume and the gamma ambient radiation. This allows noble gas beta measurement with dynamic gamma compensation by the processing algorithm.
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