Background Radiation Stationary Monitoring Map
Live monitoring Carlsbourg
- The native terrestrial radioactive background radiation is recorded using a detector connected to a computer running the "Rad" software. This computer is connected to the Internet. "Rad" automatically sends (every 30 minutes) the reading of external radiation to the web server which hosts this site.
- The Data Station Carlsbourg uses the international system (SI) unit of radiation which is µSv (micro Sievert) and µSv / hour (µSv / h) for the dose rate. (Cs137 / Co60)
- Real-time monitoring is provided by the UradMonitor Model A probe
- The Geiger counter works by detecting the ionization produced by a radioactive particle and recording it. The number of ionizations recorded over a period of time indicates the amount of radiation present. This is often done in one minute time intervals, resulting in the "beats per minute" or CPM. The higher the CPM, the higher the radiation levels ...
An average dose rate of 0.13 µSv / h corresponds to an average level of exposure to natural radioactivity of 1.14 mSv / year. (1 mSv = 1 000 µSv = 1 000 000 nSv). This corresponds to the natural radioactive background radiation for the Carlsbourg station.
Monitorings
The data for the various radiation graphs are obtained using two Geiger counters connected to a server: the GM45 from Black Cat Systems and the GMC-600 + from GQ Electronics.
Air quality measurement data is obtained using the SMOGGIE-PM from uRADMonitor.
Calibrations
The GM45 probe was recalibrated in July 2022 according to Gamma-Scout. It is tested at a state-approved institute. Each unit is supplied with a certificate stating its serial number. Radiation Monitoring was commissioned on November 1, 2011.
SMOGGIE-PM features a high-quality laser particle sensor for PM1, PM2.5, and PM10 and an additional sensor for temperature and humidity. The accuracy of this monitor's data is laboratory tested.
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update: 25/12/25