Iodine Monitors - Area Monitoring

Iodine 131 (a by-product of reactor fission) can form a vapor that can be transported great distances in the air. Iodine monitoring systems use NaI(TI) scintillation detectors with a built-in Am-241 source for compensation of temperature changes and drifting. In fixed and mobile configurations, these systems detect gamma activity of radioactive iodine samples in both molecular and organic forms.

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