APPLICATION: Model STG-BS44
is especially well suited for counting Beta emissions from
air sampler filters.
The STG-BS44 Beta Scintillation System combines a Beta Scintillation Detector plus TM-4 drawer system for sample containment. In this detection system, the protective window and grill are deleted to enhance sensitivity to Beta radiation.
Stainless steel drawer and base plate for stability and easy cleaning.
The sensitivity of the STG-BS44 to Sr90Y90 Beta is typically 80-85% of 2Pi. It is completely insensitive to alphas when used with the Optional Beta filter. Sample cavity is 4 1/16'' diameter x 3/16'' deep. Allows 4'' sample diameter x 3/16'' thick sample size.
Windowless operation, with light-tight housing and automatic HV cutoff when drawer is opened.
Figure 1: STG-BS44