  In this study, we present a low cost and commercially available data
acquisition system (DAQ) for an ordinary low alpha proportional counter. By
employing this DAQ system and aid of a simple physical model, we can easily
rule out the common disadvantage of proportional type low alpha counters, such
as sensitive to electromagnetic interference and vibration. The obtained
results demonstrated that this method has improved the capability of an
ordinary low alpha counter and even makes it easier to operate in a worse
ground-loop laboratory.
