2 X CV2247 SENSOR TUBE. GAMMA RADIATION DETECTOR. CF ENA

2 X CV2247 SENSOR. NEW OLD STOCK. 

BRAND: 1950s 20THCENTURY ELECTRONICS, NEW ADDINGTON PRODUCTION 

GAMMA RADIATION DETECTOR WITH NEOPRENE COVER 

ADDED INFORMATION 

"Halogen quenched Gamma radiation detector with neoprene sheath for portable use. 

• Threshold voltage (at 20°C): 315 to 375 V • Operating voltage (at 20°C): 355 to 415 V • Plateau slope (per volt): 0.07% avg, 0.15% max • Plateau length: 150 V avg, 90 V min • Operating temperature range: -55 to +50°C • Useful life: > 109 counts"