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Beta-Gamma Detectors : Ludlum Model 44-110 Beta, Gamma Gas Proportional Detector

Ludlum Model 44-110 Beta, Gamma Gas Proportional Detector Ludlum Model 44-110
Beta, Gamma Gas Proportional Detector

Part Number 47-2585



INDICATED USE: Tritium Surface Survey/Windowless Beta Survey - Designed to be placed on a flat surface and then purged with P-10 gas for 20 seconds before counting
DETECTOR: Gas flow, P-10
RECOMMENDED COUNTING GAS: P-10 (10% methane, 90% argon)
GAS PURGE TIME: Approximately 20 seconds
WINDOW: Windowless
WINDOW AREA: Active - 126 cm2; Open - 100 cm2
EFFICIENCY (4pi): 25%-3H
BACKGROUND: Typically 400 cpm
SUGGESTED INSTRUMENTS: Models 12, 2000, 2200, 2221, 2350-1, 177-61
OPERATING VOLTAGE: Typically 1700 volts
COUNTER THRESHOLD SETTING: Typically 4.0 mV
SIZE: 4.9" H x 4.6" W x 9" L (12.4 x 11.7 x 22.9 cm)
WEIGHT: 2 lbs (0.9 kg)

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