Model 44-40-2 Shielded Pancake G-M

The Model 44-40-2 is a lead shielded pancake G-M detector that is encased in an aluminum housing for contamination survey.

PART NUMBER:47-2758

 

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: Aluminum housing encasing lead shield 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: 5.3" (13.5 cm)H X 5" (12.7 cm) Diameter
WEIGHT: 5.4 lb (2.5kg)