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Ludlum Measurements Blog

Ludlum 44-9 Pancake Detector

Posted by Larissa Place on Wed, Feb 13, 2013 @ 14:02 PM

 MODEL 44-9 

RADIATION DETECTOR

   

Introduction

The Ludlum Model 44-9 is arguably the most popular radiation detector used throughout the world.  This detector is sensitive to alpha, beta, and gamma radiation.  Its size and shape (pancake) provide easy handling for surveying or personnel monitoring.  The detector is energy dependent, over-responding by a factor of 6 in the 60 keV to 100 kdV range when normalized to 137Cs.

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Topics: detector, alpha, beta, gamma, 44-9, probe, pankcae, filter