Berthold
LB 150 D-R
Alpha-Beta Fixed Filter Monitor
LB 150 D-R
Alpha-Beta Fixed Filter Monitor
The Alpha-Beta Aerosol Monitor LB 150 D-R is a fixed filter device and a real on-line monitor, because dusting, measurement and evaluation take place simultaneously. The system is equipped with self-monitoring of the most important functions, which reports faults and/or thresholds exceeded.
The high air throughput of up to 40 m³/h enables representative sampling, both for direct measurement of room air and for isokinetic sampling of chimney air.
Application
The Alpha-Beta-particulates monitor LB 150 D-R can be deployed for the measurement of airborne artificial Alpha and Beta activity in
- Nuclear facilities in the Nuclear fuel cycle and Fission product production
- Storage and processing of Nuclear waste products
- Hot Cell Labs
- Monitoring of Alpha emitting (transuranic) substances
The Particulates Monitor LB 150 D-R uses a fixed filter and is a true real time Monitor while collection, detection and evaluation are done simultaneously.
Sampling
The very high sampling rate of 40 m³/h ensures a representative sampling for both Stack monitoring with Isokinetic extraction as well as Room or workplace air monitoring.
Particulates collection and Detector
The sampled air is drawn through an S-class glass fiber filter with 200 mm Ø. The detector, a large surface proportional counter with thin entrance window, is located directly above the collection area at a distance of 7 mm and measures the radiation intensity from Alpha and Beta decays.
The airtight particulates collection unit can be constructed in Stainless steel or in Teflon depending on the application.
General
- Simultaneous measurement of artificial alpha and beta aerosols
- Direct measurement of activities at the dusting site
- Compensation and measurement of natural radioactivity (Rn/Tn daughters)
Features
- 3-way large area proportional detector with high alpha and beta efficiency
- Accumulation of aerosols on a 200 mm Ø large-area filter
- Continuous measurement and alarm check during dusting
- Energy-independent measurement method
- Independent of radon/thoron ratio
- Largely independent of the state of equilibrium of the radon/thoron derivatives (dependent on air extraction at the installation site)
For more details, please refer to the Data Sheet
| Mechanical data (L x W x H) | Application Dependent |
| Weight | Application Dependent |
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