The Model 44-89 is a 4 pancake square cluster G-M
detector for contamination survey.
PART NUMBER:47-2357
INDICATED USE: Alpha beta gamma survey DETECTOR: 4 ea. pancake type halogen quenched G-M WINDOW: 1.7 plus or minus 0.3 mg/cm² mica WINDOW AREA:
Active - 63 cm²
Open - 50 cm² EFFICIENCY(4pi geometry): Typically 5%-C-14; 23%-Sr-90/Y-90;
19%-Tc-99; 33%-P-32; 15%-Pu-239 SENSITIVITY: Typically 12,000 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: Black ABS plastic with anodized aluminum back and
stainless steel protective screen (79% open ) 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: 3.3" (8.4 cm)H X 5" (12.7 cm)W X 6.9" (17.5 cm)L WEIGHT: 1.9 lbs (0.8kg)