The BAB-A7 mobile aerosol beacon is used in nuclear facilities for continuous control of atmospheric air contamination by dust exposed to natural Radon and Thoron radioactivity and ambient gamma radiation.
It is specially designed for work station monitoring during maintenance operations or in dismantling work sites, where man-made noise immunity is highly recommended.
It includes a recording function for a better measurement traceability, and a local graphic display of volume activities.
For external irradiation radiological monitoring, an ambient gamma dose rate measurement deported probe (optional) can be coupled to the beacon.
| Radiation Type | α and β |
| Detector Type | Double Si diode |
| Energy Range | 80 keV to 10MeV |
| β Measuring Range | From 10-2 to 10+5 Bq/m3 |
| α measuring range | From 10-3 to 10+5 Bq/m3 |
| Compensation | Automatic ambient gamma background compensation |
| Alarms | Sound and light signals |
| Display | Large dimension LCD screen |
| Memorisation | 92 hours for graphs and 21 days for measurements |
| Communication | RS485, RJ45 |
| Compliance withCEM norms | Level 3 |
| Variant | Internal shielding for high gamma background |
| Options | External gamma probe |
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Application Notes
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App-note-BAB-A7-Air-monitoring-ORANO-La-Hague
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