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Model 44-38

Beta-Gamma Detector

Part Number: 47-1588

Specifications

Indicated Use	Beta-gamma survey
Detector Type	Halogen quenched GM, 30 to 45 mg/cm² stainless steel wall
Detection Range	*Without DTC: ± 10% up to 50 mR/hr With DTC:* ± 10% up to 500 mR/hr
Typical Sensitivity (¹³⁷Cs gamma)	1200 cpm per mR/hr with window closed
Energy Response (60 keV - 1.3 MeV)	Within 20% of ¹³⁷Cs (662 keV)
Beta Cut Off	Approximately 200 keV (window open)
Typical Background (10 µR/hr field)	Closed: 20 cpm Open: 25 cpm
Typical Dead Time	95 µs
Operating Voltage	900 V
Connector	Series "C"
Body Construction	Anodized aluminum housing
Window Construction	Low Energy Blocking Shield: Tin shields mounted on aluminum (1353 mg/cm²) with solid aluminum section in the middle Low Energy Pass-Through Window: Solid aluminum (610 mg/cm²)
Size (D x L)	3.3 x 16.5 cm (1.3 x 6.5 in)
Weight	0.5 kg (1 lb)

*Dead Time Correction, available on some instruments

Related Products

Model 44-6