INDICATED USE: Beta, gamma radiation survey
DETECTOR: 30-45 mg/cm² stainless steel wall halogen quenched GM
SENSITIVITY: 1200 cpm per mR/hr (¹³⁷Cs gamma) with window closed
BETA CUT OFF: Approximately 200 keV (window open)
DEAD TIME: Typically 95 microseconds
SUGGESTED INSTRUMENTS: General purpose radiation survey meters, ratemeters, and scalers
OPERATING VOLTAGE: 900 volts
WEIGHT: 1 lb (0.5 kg)
ENERGY RESPONSE: Within 15% of true value from 50 keV - 1.25 MeV
CONSTRUCTION: Anodized aluminum housing
SIZE: 1.3" (3.3 cm) diameter 6.5" (16.5 cm) L
BACKGROUND: 20 cpm closed; 25 cpm open

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