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/cmē
WINDOW AREA: 5 cmē 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)

 

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