Alpha Detector - Model 43-44
Specifications
INDICATED USE: alpha survey
WINDOW AREA: 76 cm² (11.8 in²) active; 50 cm²(7.8 in²) open
WINDOW: 0.4 mg/cm² aluminized mylar
EFFICIENCY (4Ï€): 8%-239Pu
OPERATING VOLTAGE: altitude sensitive
sea level: 2050 volts
609.6 m (2000 ft): 2000 volts
1524 m (5000 ft): 1925 volts
2134 m (7000 ft): 1875 volts
COUNTER THRESHOLD SETTING: 1.5-2.0 mV
WORKING ENVIRONMENT: splashproof shields and desiccant vented chamber for outdoor use
SIZE: 10.2 x 6.4 x 22.9 cm (4 x 2.5 x 9 in.) (H x W x L)
WEIGHT: 0.5 kg (1 lb)
