α and β
BAB E
The BAB-E air monitoring beacon is used for surveillance around nuclear facilities or for national monitoring
The BAB-E fixed beacon is used for continuous monitoring of artificial Alpha and Beta aerosols, in Gamma environments as well as in the presence of natural Radon descendants. It has a double cover that allows it to withstand the most extreme climatic conditions for uninterrupted use outdoors (territorial surveillance, nuclear infrastructures, etc.). The data collected by the BAB-E can be accessed remotely and in real time on the DataEXPERT supervision software.
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BAB E
Type of radiation detected
Type of detector
Large area dual silicon diode, 2 x 360 mm²
Energy range
- α: From 10^(-3) to 1.10^4 Bq/m³
- β: From 10^(-2) to 1.10^4 Bq/m³
Temperature range
Between +5°C and +45°C (41°F to 113°F)
Compliance with CEM norms
- EMI emission: EN 61000-6-4
- EMI immunity: EN 61000-4-3, Level 3
Measuring range
- α: From 10-3 to 5.104 Bq/m3
- β: From 10-2 to 5.104 Bq/m3
Display units
Bq/m³, µGy/h
Sampling volume
6 m³/h
Relative humidity
Up to 80% humidity without condensation
Protection index
IP 55 (IP 54 for ventilation openings)
Alarms
Audible and visible alarm with two adjustable alarm thresholds for type of radiation α or β
Communication
ShortLINK or SkyLINK (radio), VD/VR
- Can be used in controlled areas with high gamma background
- Compensation of radon progenies
- Use of standard sources for efficiency controls
- Ruggedized, can be used on dismantling and purification sites
- Available as stationary or mobile version
- Can be connected to a central monitoring network and trigger a general alarm
- The radioactive dust is deposited by air suction on a filter paper placed in the BAB beacons.
- The suction flow rate is about 5 m3/h (it depends on dustiness and type of filter paper).
- The flow rate is calculated from the depression measured between the filter and the pump. This allows to detect any tear or dust clogging.
- Placed one centimeter above the sample, the detection system is based on two 300 μm thick silicon diodes with a surface of 360 mm2.
- The analog signal from the two diodes is amplified by a preamplifier with an output range of about 30mV/MeV.
- An amplifier increases the signal amplitude to 0.7V/MeV, and the signal is then used to produce the energy spectrum via an amplitude analyzer that encodes information to 512 channels.
- GM-xN Gamma Probes
- DataEXPERT monitoring software
- Integrated SkyLINK/ShortLINK radio modem
- Detector lead shielding to reduce background noise in case of a radiological accident
- Local and remote alarm box
Reasons to choose BAB E
Gamma background and Radon / Thoron discrimination
Large Si detector
Real time monitoring
Ruggerized beacon
High suction rate
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