Gamma Detector - Model 44-20
CE Seal
Specifications

INDICATED USE: high sensitivity gamma measurements, survey
SUGGESTED INSTRUMENTS: SCA/MCA
DETECTOR TYPE: scintillation, 7.6 x 7.6 cm (3 x 3 in.) (Dia x L)
SENSITIVITY: typically 2300 cpm/μR/hr (137Cs gamma)
EFFICIENCY: 125I-29%
ENERGY RESPONSE: energy dependent
BACKGROUND: 23 kcpm
PHOTOMULTIPLIER TUBE: 7.6 cm (3 in.) diameter
OPERATING VOLTAGE: typically 500–1200 volts
CONSTRUCTION: integral-line
HOUSING CONSTRUCTION: 0.05 cm (0.20 in.) thick aluminum
CONNECTOR: series "C", others available
SIZE: 8.3 x 28.7 cm (3.3 x 11.3 in.) (Dia x L)
WEIGHT: 1.7 kg (3.7 lb)