Alpha Beta Gamma Detector - Model 44-88
CE Seal
Specifications

INDICATED USE: alpha, beta, gamma survey; sample counting
DETECTOR: pancake-type, halogen quenched GM
SENSITIVITY (137Cs gamma): 3300 cpm/mR/hr
BACKGROUND: 60 cpm
ENERGY RESPONSE: energy dependant
WINDOW: 1.7 ± 0.3 mg/cm² mica
WINDOW AREA: 15 cm² (2.3 in²) active, 12 cm² (1.9 in²) open
EFFICIENCY (4π): 5% for 14C; 22% for 90Sr/90Y; 19% for 99Tc; 32% for 32P; 15% for 239Pu
DEAD TIME: 80 microseconds
OPERATING VOLTAGE: 900 volts
CONSTRUCTION: painted aluminum housing with beige powder coat
SIZE: 5.9 x 7 cm (2.3 x 2.8 in.) (Dia x L)
WEIGHT: 0.2 kg (0.5 lb)