The Model 43-65 is a 50 cm²
Alpha Scintillator that can be used with a several different instruments
including survey meters, scalers, ratemeters, and alarm ratemeters
PART NUMBER:47-1441
INDICATED USE: Alpha survey SCINTILLATOR: ZnS(Ag) WINDOW: Typically 0.8 mg/cm² aluminized mylar (1.2 mg/cm²
recommended for outdoor use) WINDOW AREA:
Active - 63 cm²
Open - 50 cm² EFFICIENCY (4pi geometry): Typically 17% - Pu-239; 17% - Th-230 NON-UNIFORMITY: Less than 10% 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: 7.5"(19.1cm)H X 4"(10.2cm)W X 6.5"(16.5cm)L WEIGHT: 1.4 lb (0.6kg)