APPLICATION: alpha, beta, gamma radiation survey; sample counting
RADIATION DETECTOR: end window, halogen quenched GM

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EFFICIENCY(2π): 2% – ¹⁴C; 10% – ⁹⁰Sr/⁹⁰Y; 7% – ²³⁹Pu, ⁹⁹Tc – 7%, ¹²⁵I – 0.1%

WINDOW: 1.7 ± 0.3 mg/cm² mica
WINDOW AREA: 6 cm² (0.93 in²) active; 5 cm² (0.78 in²) open
SENSITIVITY: 2100 cpm/mR/hr (¹³⁷Cs gamma)
ENERGY RESPONSE: energy dependant

BACKGROUND: 40 cpm
DEAD TIME: typically 200 microseconds
COMPATIBLE INSTRUMENTS: general purpose radiation survey meters, ratemeters and scalers
OPERATING VOLTAGE: 900 volts
CONNECTOR: series “C” (others available)
CONSTRUCTION: anodized aluminum housing
SIZE: 1.8 x 5.8 in. (4.6 x 14.7 cm) (Dia x L)
WEIGHT: 1 lb (0.5 kg)