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Ludlum Model 44-9 Pancake G-M Detector |
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The Model 44-9 is a pancake G-M that can be used with several different instruments including survey meters, scalers, ratemeters, and alarm ratemeters |
PART NUMBER:47-1539 |
| INDICATED USE: Alpha beta gamma survey; Frisking DETECTOR: Pancake type halogen quenched G-M WINDOW: 1.7 plus or minus 0.3 mg/cm² mica WINDOW AREA: Active - 15 cm² Open - 12 cm² EFFICIENCY(4pi geometry): Typically 5%-C-14; 22%-Sr-90/Y-90; 19%-Tc-99; 32%-P-32; 15%-Pu-239 SENSITIVITY: Typically 3300 cpm/mR/hr (Cs-137 gamma ) ENERGY RESPONSE: Energy dependent DEAD TIME: Typically 80 microseconds COMPATIBLE INSTRUMENTS: General purpose survey meters, ratemeters, and scalers OPERATING VOLTAGE: 900 volts 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: 1.8" (4.6 cm)H X 2.7" (6.9 cm)W X 10.7" (27.2 cm)L WEIGHT: 1 lb (0.5kg) |
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