Ludlum Model 44-38

Ludlum Model 44-38 Energy Compensated GM Probe

The energy compensated GM detector in the model 44-38 is widely used for dose rate measurements. Common applications include measuring dose rates in occupied areas and transport indexes for gamma emitting packages.


Thick wall window Geiger-Muller

GENERAL Medium level gamma survey
Compatibility Ludlum Model 3 & Model 3-IS
Operating Voltage 900 vdc
Detector Type 30-45 mg/cm² stainless steel wall halogen quenched GM
Sensitivity 1200 cpm per mR/hr (137Cs gamma) with window closed
Energy Response energy compensated
Finish Annodized aluminum
Dimensions 3.3 cm x 16.5 cm (1.3 x 6.5 in.) (Dia x L)
Window Consutrction
Low Energy Blocking Shield:  tin shields mounted on aluminum (1353 mg/cm²) with solid aluminum gap in the middle
        Low Energy Pass Through Window: solid aluminum (610 mg/cm²)
Weight 1 lb (0.5kg)