Model 44-9-18

The pancake-type GM detector in the Model 44-9-18 is one of the most popular radiation detectors used throughout the world. A variant of the Model 44-9, this detector includes a longer handle (0.9 m [36 in.] fully extended). 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.

This detector operates between 850 to 1000 volts, and is compatible with any Ludlum instrument capable of supplying 900 Vdc and an input sensitivity of 30 mV or higher.