CALL US AT : (800) 795-5226  FAX : (440) 729-8238
  • Facebook
  • Twitter
Mobile Menu
Beta-Gamma Detectors : Ludlum Model 44-21 Beta & Beta Gamma Scintillation Detector

Ludlum Model 44-21 Beta & Beta Gamma Scintillation Detector

Ludlum Model 44-21
Beta & Beta Gamma Scintillation Detector

Part Number 47-1560


INDICATED USE: Beta, low energy gamma detection
SCINTILLATOR: 1" (2.54 cm) diameter x 1 mm thick Nal adhered to a 0.001" (0.03 cm) thick plastic scintillator
PHOTOMULTIPLIER TUBE: 1.5"(3.8 cm) diameter
WINDOW: 3.4 mg/cm2
WINDOW AREA: 5.1 cm2 active and open
EFFICIENCY (4pi): 19% - 129I; 5% - 14C; 28% - 32P
BACKGROUND (10 µR/hr): 450 cpm
ENERGY REPONSE: Energy dependent
NON-UNIFORMITY: Less than 10%
OPERATING VOLTAGE: Typically 500- 1200 volts
COMPATIBLE INSTRUMENTS: General purpose survey meters, ratemeters and scalers
SIZE: 2" diameter x 7.3" L (5.1 x 18.5 cm)
WEIGHT: 1 lb (0.5 kg)


Click Here to Download a Printable Information Sheet. (.pdf format)