Radiation Probes

Ludlum Model 44-2 Gamma Scintillator

The Model 44-2 is a 1" X 1" NaI(Tl) Gamma Scintillator that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm. 

radprobe-ludlum44-2Indicated Use: High energy gamma detection
Scintillator: 1" (2.5 cm) diameter X 1" (2.5 cm) thick sodium iodide (NaI)Tl scintillator ratemeters 
Sensitivity: Typically 175 cpm/microR/hr (Cs-137)
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 for operation from -40° F(-40° C) to 150° F(65° C)
Size: 2" (5.1 cm) diameter X 7.3" (18.5 cm)L
Weight: 1 lb (0.5kg)  

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