 Environmental Restoration Group |
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| Ludlum Model 44-3 | |
| Ludlum Specifications | |
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INDICATED USE: 125I
and low energy gamma survey ENERGY RESPONSE: Energy dependent SUGGESTED INSTRUMENTS: General purpose survey meters, ratemeters, and scalers OPERATING VOLTAGE: Typically 500 - 1200 volts SCINTILLATOR: 1" (2.5 cm) diameter 1 mm thick Nal(TI) crystal ENTRY WINDOW: 18.4 mg/cm2 WINDOW AREA: 5 cm2 active and open BACKGROUND (10 µR/hr): 300 cpm EFFICIENCY (4pi): 19% - 129I SENSITIVITY: 675 cpm/µR/hr (125I) RECOMMENDED ENERGY RANGE: 10 - 60 keV PHOTOMULTIPLIER TUBE: 1.5" (3.8 cm) diameter SIZE: 2" diameter x 7" L (5.1 X 17.8 cm) WEIGHT: 1 lb. (0.5 kg) |
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8809 Washington St. NE • Suite 150 Albuquerque, NM 87113 Tel: (505) 298-4224 Fax: (505) 797-1404 |