Model 44-40 Shielded Pancake G-M
The Model 44-40 is a lead shielded pancake G-M detector for contamination survey.	PART NUMBER:47-1538
INDICATED USE: Alpha beta gamma survey; sample counting 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: Lead 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: 4.5" (11.4 cm)H X 4" (10.2 cm)W X 6.5" (16.5 cm)L WEIGHT: 5.5 lb (2.5kg)