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)

Additional information

Weight	3 lbs
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