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888-766-4833 
Side window GM probe. Similar to 44-38 but not energy compensated.
INDICATED USE: beta, gamma survey
SUGGESTED INSTRUMENTS: general purpose survey meters, ratemeters, and scalers
DETECTOR: 30-45 mg/cm² stainless steel wall halogen quenched GM
SENSITIVITY: 1200 cpm per mR/hr (137Cs gamma) with window closed
BACKGROUND: 20 cpm closed; 25 cpm open
ENERGY RESPONSE: energy dependent
BETA CUT OFF: approximately 200 keV (window open)
DEAD TIME: typically 95 microseconds
OPERATING VOLTAGE: 900 volts
CONSTRUCTION: stainless steel with rotary beta window
CONNECTOR: series “C”
SIZE: 3.2 x 15.2 cm (1.3 x 6 in.) (Dia x L)
WEIGHT: 0.3 kg (0.7 lb)
