Model 44-3 Low Energy Gamma Scintillator
The Model 44-3 is a 1" X 1mm NaI(Tl) Gamma Scintillator for low energy gamma that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters	PART NUMBER:47-1533
INDICATED USE: I-125 and x-ray survey SCINTILLATOR: 1" (2.5 cm) diameter X 1mm thick sodium iodide (NaI)Tl scintillator ENTRY WINDOW: 15 mg/cm² WINDOW AREA: 5 cm² active and open RECOMMENDED ENERGY RANGE: Approximately 10 - 60 keV BACKGROUND: Typically 40 cpm/microR/hr SENSITIVITY: Typically 675 cpm/microR/hr (I-125) EFFICIENCY(4pi geometry): Typically 19% - I-125 COMPATIBLE INSTRUMENTS: General purpose survey meters, ratemeters, and scalers TUBE: 1.5:(3.8cm) diameter magnetically shielded photomultiplier OPERATING VOLTAGE: Typically 500 - 1200 volts DYNODE STRING RESISTANCE: 100 megohm CONNECTOR: Series "C" (others available ) CONSTRUCTION: Aluminum housing with beige polyurethane enamel paint TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C) May be certified to operate from -40° F(-40° C) to 150° F(65° C) SIZE: 2" (5.1 cm) diameter X 7" (17.8 cm)L WEIGHT: 1 lb (0.5kg)