<h2>Berthold<br>LB 150 D-R<br><h3>Alpha-Beta Fixed Filter Monitor

<h2>Berthold<br>LB 150 D-R<br><h3>Alpha-Beta Fixed Filter Monitor - Image 2

Berthold
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.

Category: Airbourne Activity Monitors Tags: Alpha, Beta

Description
Specifications

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