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The Model 43-89 is a 100 cm² dual phosphor alpha/beta scintillator that is designed to be used for simultaneously counting alpha and beta contamination |
PART NUMBER:47-2430
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| INDICATED USE: Alpha-beta survey SCINTILLATOR: ZnS(Ag) adhered to 0.010" thick plastic scintillation material WINDOW: Typically 1.2 mg/cm² aluminized mylar WINDOW AREA: Active - 125 cm² Open - 100 cm² EFFICIENCY (4pi geometry): Typically 16% - Pu-239; 5% - Tc-99; 16% - S-90/Y-90 BACKGROUND: Alpha - Less than 3 cpm Beta - Typically 300 cpm or less (10 microR/hr field) NON-UNIFORMITY: Less than 10% CROSS TALK: Alpha to Beta - Less than 10% Beta to Alpha - Less than 1% COMPATIBLE INSTRUMENTS: Model 2224, 2360, 2929 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: 5.5"(13.9cm)H X 4"(10.2cm)W X 12.3"(33cm)L WEIGHT: 1.5 lb (0.7kg) |
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Replacement Parts Mylar Window |
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