Low Energy Gamma Scintillator Probe 1" x 1 mm

Model Number:

051-443


051-443  Low Energy Gamma Scintillator Probe 1" Diameter x 1 mm Thick NaI Crystal

  • Used for 125I and low energy gamma survey 
  • Indicated Use: 125I and low energy gamma survey
  • Suggested Instruments: general purpose survey meters,ratemeters and scalers
  • Detector Type: scintillator, 1" Dia x 1 mm thick NaI (Tl) crystal
  • Entry Window: 18.4 mg/cm2
  • Window Area: 5 cm2 (0.8 in2 ) active and open
  • Sensitivity: 675 cpm/µR/hr ( 125I)
  • Background(10 µR/hr): <250 cpm
  • Efficiency (4Π): 33.5% for 125I (based on 129I efficiency of 18%)
  • Recommended Energy Range: 10-60 keV
  • Energy Response: energy dependant
  • Photomultiplier Tube: 3.8 cm (1.5 in) diameter
  • Operating Voltage: typically 500-1200 volts
  • Connector: series "C"
  • Size: 2" Dia x 7" L
  • Weight: 1 lb