The Model 44-17 is a low energy gamma scintillator with a 2" X 2 mm NaI(Tl) crystal that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters

PART NUMBER:47-1547

INDICATED USE: I-125 and x-ray survey
SCINTILLATOR: 2" (5.1 cm) diameter X 2mm thick sodium iodide (NaI)Tl scintillator
RECOMMENDED ENERGY RANGE: Approximately 10 - 200 keV
BACKGROUND: Typically 140 cpm/microR/hr
EFFICIENCY(4pi geometry): Typically 20% - I-125
ENERGY RESPONSE: Energy dependent
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: 2.6" (6.7 cm) diameter X 9" (22.9 cm)L
WEIGHT: 1.5 lb (0.7kg)