Model 44-40 Series

The Model 44-40 Series are shielded GM (Geiger-Mueller) detectors capable of detecting alpha, beta, or gamma radiation. Both the Model 44-40 and 44-40-2 have lead shielding. The Model 44-40 has a painted lead housing, and the Model 44-40-2 has a painted aluminum housing over the lead shielding. A lighter version, the Model 44-40-1, has tungsten shielding and a painted aluminum housing.

Request a quote Download Spec Sheet

Model 44-7

Alpha-Beta-Gamma Detector

Detector Type: End Window GM
Active Window Area: 6 cm² (0.93 in²)
Efficiency: 2100 cpm per mR/hr (¹³⁷Cs)

Model 44-9DOSE

Alpha-Beta-Gamma Detector with Dose Filter

Detector Type: Pancake GM
Active Window Area: 15.5 cm² (2.4 in²)
Efficiency: 3300 cpm per mR/hr (¹³⁷Cs)

Model 44-9 Alpha-Beta-Gamma Detector

The GM pancake-type detector in the Model 44-9 is one of the most popular radiation detectors used throughout the world. This alpha, beta, and gamma radiation detector has a rugged metal housing and is conveniently shaped and sized for checking contamination on people and objects.