The Model 44-89 is a 4 pancake square cluster G-M detector for contamination survey.
PART NUMBER:47-2357
DETECTOR: 4 ea. pancake type halogen quenched G-M
WINDOW: 1.7 ± 0.3 mg/cm² mica
WINDOW AREA:
Active - 63 cm²
Open - 50 cm²
EFFICIENCY(4pi geometry): Typically 5%-14C; 23%-90Sr/90Y; 19%-99Tc; 33%-32P; 15%-239Pu
SENSITIVITY: Typically 12,000 cpm/mR/hr (137Cs 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)
Replacement Parts
Return to ludlums.comCopyright © 2000 Ludlum Measurements, Inc.
For comments or suggestions please contact webmaster at: ludlum@ludlums.com
Page last updated: December 2000