Geiger Counter

• Alpha Detection: Detects alpha down to 2.5 MeV; typical detection efficiency at 3.6 MeV is greater than 80%
• Beta Detection: Detects beta at 50 keV with typical 35% detection efficiency;detects beta at 150 keV with typical 75% detection efficiency
• Gamma/X-Ray Detection: Detects gamma and x-rays down to 10 keV typical through end window, 40 keV minimum through the case; normal background is 5-20 CPM (counts per minute)
• Range: 0-500; 0-5,000; 0-50,000 CPM; 0-0.5; 0-5; 0-50 mR/hr
Range Switch: x1, x10, x100, and battery check
Specifics for the 3 Ranges: 0-50 mR/hr and 0-50,000 CPM or 0-500 mSv/hr and 0-50 mR/hr; 7/8 x 1 3/4" analog meter with dual scale
Temperature Range: -20 to 55° C (-4 to 131° F)
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