Ludlum Measurements, Inc.  Ludlum Model 44-38

  Beta Gamma Radiation Detector

 

 Specifications

 

Ludlum Model 44-38 Beta Gamma Radiation DetectorPART NUMBER: 47-1588

APPLICATION: beta gamma radiation survey

RADIATION DETECTOR: 30-45 mg/cm² stainless steel wall halogen quenched GM

DETECTION RANGE: ±10% up to 50 mR/hr without DTC and up to 500 mR/hr with DTC
SENSITIVITY: 1200 cpm/mR/hr (137Cs gamma) with window closed

BACKGROUND: 20 cpm closed; 25 cpm open

ENERGY RESPONSE: ±15% of true value from 50 keV-1.25 MeV
BETA CUT OFF: approximately 200 keV (window open)
DEAD TIME: typically 95 microseconds
OPERATING VOLTAGE: 900 volts
COMPATIBLE INSTRUMENTS: general purpose radiation survey meters, ratemeters and scalers

CONNECTOR: series "C" (others available)
CONSTRUCTION: anodized aluminum housing

WINDOW CONSTRUCTION: Low Energy Blocking Shield: tin shields mounted on aluminum (1353 mg/cm²) with solid aluminum gap in the middle: Low Energy Pass Through Window: solid aluminum (610 mg/cm²)

SIZE: 1.3 x 6.5 in. (3.3 cm x 16.5 cm) (Dia x L)
WEIGHT: 1 lb (0.5 kg)

CE CERTIFIED: yes

 

 Options & Accessories

 

Ludlum Radiation Detector Clips        
Detector Clip        

 

 Technical Information

 

Data Sheet

Product Manual

CE Certificate

Closed Window Energy Response

Open Window Energy Response

 

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