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BAB – Air Monitoring beacon
The BAB air monitoring beacon is specially designed for the continuous monitoring of α & β artificial radioactive aerosols concentration combined with radon progenies and ambient gamma radiation.
Continuous alpha & beta particulates monitor
The BAB air monitoring beacon is used in nuclear facilities and provides continuous measurement and monitoring of atmospheric contamination from radioactive aerosols, including compensation of radon progenies for more accuracy. All data measured from the BAB beacons are displayed in real time or available remotely.
The BAB air monitoring beacons are available in two different versions:
• BAB-A7 version is specially designed for work station monitoring during maintenance operations or in dismantling work sites, where man-made noise immunity is highly recommended. BAB-A7 is available for stationary or mobile use.
• BAB-E exists as stationary version for outside use, and will be typically used for surveillance around nuclear facilities or for national monitoring.
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BAB – Air Monitoring beacon
Radiation type:
Detector type:
- large area dual silicon diode, 2 x 360 mm²
Energy range:
- α: 2 to 10 MeV – β: 80 keV to 2 MeV, adjustable artificial α ROI (adjustable in factory on request)
Temperature range:
- BAB-A7: +5°C to +45°C (41°F to 113°F)
- BAB-E: -20 °C to +45°C (-4°F to 113°F) with air conditioning
Compliance with CEM norms:
- EMI emission: EN 61000-6-4
- EMI immunity: EN 61000-4-3, Level 3
β measuring range:
- 10-2 to 5.104 Bq/m³
α measuring range:
- 10-3 to 5.104 Bq/m³
Display units:
- Bq/m³, µGy/h
Sampling volume:
- 5 m³/h
Compensation:
- Automatic ambient gamma background compensation and Radon progenies
Variant:
- Internal shielding for use in high gamma background level
Alarms:
- Acoustic and optic signals
Display:
- Large dimension LCD screen
- TFT 5.6″ 320xRGBx234 stripe 32k
Memorization:
- 92h for graphs and 21 days for measurements
Data format:
- JBUS Modbus protocol
Communication:
- 2 x RS485, RJ45, ShortLINK or SkyLINK (radio)
Options:
- External gamma probe
- 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.
- Detector head lead shielded for use in high gamma background
- Wireless data link, (ShortLINK or SkyLINK radio)
- Effluent sampling and release
- Remote local unit BAL-2
- GJNOV software for local maintenance and data acquisition
- Gamma GM-N probe for dose rate monitoring
Reasons to choose BAB – Air Monitoring beacon
Gamma background and Radon / Thoron discrimination
Large Si detector
Real time monitoring
Ruggerized beacon
High suction rate
Video
Bertin Instruments offers a broad range of sensors and turnkey network solutions for all tasks related to the monitoring of radiation in the environment including gamma dose rate measurement, spectroscopic analysis and air monitoring.
Bertin Instruments’ probes and stations are dedicated to various applications: monitoring around nuclear facilities, area surveillance, nationwide early warning systems, mobile & quick deployment solutions for emergency scenarios.
Related Applications
Radioactivity measurement – Air monitoring
Radioactivity measurement – Air monitoring
Real time measurement of radioactive particulates and gas activitiy inside or outside nuclear facilities, or for national surveillance
Dose rate measuring network
Dose rate measuring network
Bertin Instruments developped autonomous probes functioning in network to measure, record and transmit the environmental gamma radiation dose rate.
Facilities monitoring network
Facilities monitoring network
Online environmental radiation monitoring system for facilities in day-to-day operations, from limited to wide areas
Improving worker radiation protection
Improving worker radiation protection
The radiation exposure of workers must be controlled in line with WHO recommendations, with professional radiameters or survey meters suitable for any kind of working conditions.
Monitoring of major events
Monitoring of major events
Environmental radiation monitoring of major events ranging from handheld instruments and access control up to wide areas surveillance, with data transmitted to headquarters in real-time.
Nationwide monitoring network
Nationwide monitoring network
Environmental radiation monitoring system for nationwide automated monitoring networks, with long-term autonomy.
Radioactivity measurement & characterization of high-contaminated waste
Radioactivity measurement & characterization of high-contaminated waste
Control of high radioactivity levels can be done only with dedicated instruments able to measure radiation up to 300 Gy/h.
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