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CV2139

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ID = 55766
       
Country:
Great Britain (UK)
Brand: GEC, General Electric Co Ltd., GENALEX; London
Developer: GEC, General Electric Co Ltd., GENALEX; London 
Tube type:  Geiger-Müller- counter tube 
Identical to CV2139 = EHM2S

Was used by Military and/or Government
Filament --/--
Description Organically (Ethyl Formate)quenched detector primarily for Beta radiation detection but also suitable for Gamma and X-rays.

Operating Voltage 1400-1600. Typically 1500V
Useful life >6x108 Counts. 

Dimensions (WHD)
incl. pins / tip
36 x 54 x mm / 1.42 x 2.13 x inch
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