Model 44-9 Pancake GM Detector – Ludlum

The Model 44-9 Pancake GM Detector (Ludlum) is proven to be the most popular radiation detector used throughout the world. This detector is sensitive to alpha, beta and gamma radiation. The Model 44-9 Pancake GM Detector is enclosed within a rough metal cage but sized and shaped very convenient. It is ideal for checking contamination on people and objects.

Model 44-9 Pancake GM Detector features:

• window area: 15.51 cm² (2.4 in²) active, 12.26 cm² (1.9 in²) open
• pancake-type, halogen-quenched GM detector
• efficiency (4π): 5% for 14C; 22% for 90Sr/90Y; 19% for 99Tc; 32% for 32P; 15% for 239Pu, ≤ 1% for 99mTc; 0.2% for 125I
• sensitivity (137Cs gamma): 3300 cpm/mR/hr
• weight: 0,5 kg

Read more about the Model 44-9 Pancake GM Detector on the Ludlum website