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: 125I and x-ray survey SCINTILLATOR: 1" (2.5 cm) diameter X 1mm thick sodium iodide (NaI)Tl scintillator ENTRY WINDOW: 18.4 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 (125I) EFFICIENCY(4pi geometry): Typically 19% -129 I 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 powder coat 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)
Replacement Parts Window Assembly Photomultiplier Tube Scintillator Protective Cap
Ordering Info.                Model 44-3 Response Curve        Manual
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