Alpha Beta Gamma Foot Monitor Detector - Model 44-26
CE Seal
Specifications

INDICATED USE: alpha, beta, gamma foot monitor
SUGGESTED INSTRUMENTS: typically used with alarm ratemeters
DETECTOR: 3 pancake-type, halogen quenched GMs
SENSITIVITY: typically 9900 cpm/mR/hr
BACKGROUND: 180 cpm
WINDOW: 1.7 + 0.3 mg/cm² mica
WINDOW AREA: 46 cm² (7.1 in²) active; 27 cm² (4.2 in²) open
EFFICIENCY (4π): 5%-14C; 22%-90Sr/90Y; 19%-99Tc; 32%-32P; 15%-239Pu
ENERGY RESPONSE: energy dependent
OPERATING VOLTAGE: 900 volts
CONSTRUCTION: aluminum housing
SIZE: 27.4 x 17.8 x 22.9 cm (10.8 x 7 x 9 in.) (H x W x L)
WEIGHT: 2 kg (4.4 lb)